Viral Disease
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The document discusses several viral diseases including chickenpox, flu, measles, mumps, rubella, hepatitis A, COVID-19, and AIDS. It provides details on the viruses that cause each disease, such as the varicella-zoster virus for chickenpox, influenza viruses for flu, and HIV for AIDS. Each viral disease is caused by a different virus that can infect parts of the body like the skin, respiratory system, or liver.
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Health Management in Poultry
The best fed and housed stock with the best genetic potential will not grow and produce efficiently if they become diseased or infested with parasites. Therefore good poultry health management is an important component of poultry production. Infectious disease causing agents will spread through a flock very quickly because of the high stocking densities of commercially housed poultry.
Vector Borne Disease
Leishmaniasis has three types: cutaneous causes painless skin ulcers, mucocutaneous affects nose and mouth, and visceral causes weight loss, cough, enlarged organs. Dengue symptoms include fever, headaches, and joint pain. Yellow fever has an acute phase with fever and headache and a toxic phase with abdominal pain, vomiting, and decreased urination. Lymphatic filariasis causes edema of skin. Subcutaneous and serous filariasis produce skin rashes and abdominal pain. Zika is spread by mosquitos and symptoms are fever, rash, headache.
Avian fluenza virus
This document provides an overview of avian influenza (AI), also known as bird flu. It discusses the virus classification, subtypes, pathogenicity, transmission, clinical signs, lesions, diagnosis, treatment and control of AI. The virus is classified as Influenzavirus A and can infect various bird species. It is transmitted through contact with infected birds or contaminated surfaces/water. Highly pathogenic AI causes sudden death in birds, while low pathogenic strains may cause respiratory disease. Diagnosis involves isolating the virus, PCR testing, and serological methods. Vaccination is used for control but there is no specific treatment for infected birds.
Vector borne disease
Discuss etio-pathogenesis of important vector borne disease and at least all these diseases should be covered:(Leishmaniasis, Dengue, Yellow fever, Filariasis).
Cattle disease
Bluetongue is an insect-borne viral disease affecting ruminants transmitted by biting midges rather than between animals. It causes hemorrhaging of the oral tissues, swelling of the lips and tongue, and fever but does not affect humans. Trypanosomosis or sleeping sickness in cattle is transmitted by tsetse flies carrying protozoan parasites and causes diminished coordination, tremors, and wide stance. Bovine viral diarrhea virus can be congenitally transmitted, causing abortion or birth defects like cerebellar hypoplasia and lack of coordination in calves. Infectious bovine rhinotracheitis is a contagious respiratory disease of cattle caused by bovine herpesvirus 1 that can
Examples of pathological (disease) conditions
This document provides tables summarizing various pathological conditions organized by type of condition. Table 1 lists leading health problems in the US ranked by number of deaths caused. Tables 2-6 summarize various viral, bacterial, fungal, protozoal, and pathogenic animal conditions including diseases like AIDS, hepatitis, anthrax, candidiasis, malaria and more. Each entry provides the causative organism and a brief description of associated symptoms and transmission. The document serves as a reference for various infectious and non-infectious diseases and pathogens.
Pulmonary tuberculosis BY dr. shiv kumar
Pulmonary tuberculosis is a contagious bacterial infection caused by Mycobacterium tuberculosis that mainly affects the lungs but can spread to other organs. It is transmitted through the air when people with the active form cough, sneeze or speak and expel infectious droplets. Symptoms may include cough, blood in sputum, excessive sweating at night, fatigue, fever and unintentional weight loss. Most people recover from primary infection without further issues, but the infection can remain inactive for years and later reactivate as active disease.
Human health & diseases L03
This document discusses several human diseases caused by pathogens. It describes amoebic dysentery caused by the intestinal parasite Entamoeba histolytica transmitted through contaminated food and water. It also discusses ringworm fungi transmitted through contact with infected individuals. Finally, it discusses ascariasis caused by the roundworm Ascaris lumbricoides transmitted through contaminated vegetables and fruits, and filariasis caused by filarial worms transmitted by Culex mosquitoes which can cause elephantiasis.
Recommended
Health Management in Poultry
The best fed and housed stock with the best genetic potential will not grow and produce efficiently if they become diseased or infested with parasites. Therefore good poultry health management is an important component of poultry production. Infectious disease causing agents will spread through a flock very quickly because of the high stocking densities of commercially housed poultry.
Vector Borne Disease
Leishmaniasis has three types: cutaneous causes painless skin ulcers, mucocutaneous affects nose and mouth, and visceral causes weight loss, cough, enlarged organs. Dengue symptoms include fever, headaches, and joint pain. Yellow fever has an acute phase with fever and headache and a toxic phase with abdominal pain, vomiting, and decreased urination. Lymphatic filariasis causes edema of skin. Subcutaneous and serous filariasis produce skin rashes and abdominal pain. Zika is spread by mosquitos and symptoms are fever, rash, headache.
Avian fluenza virus
This document provides an overview of avian influenza (AI), also known as bird flu. It discusses the virus classification, subtypes, pathogenicity, transmission, clinical signs, lesions, diagnosis, treatment and control of AI. The virus is classified as Influenzavirus A and can infect various bird species. It is transmitted through contact with infected birds or contaminated surfaces/water. Highly pathogenic AI causes sudden death in birds, while low pathogenic strains may cause respiratory disease. Diagnosis involves isolating the virus, PCR testing, and serological methods. Vaccination is used for control but there is no specific treatment for infected birds.
Vector borne disease
Discuss etio-pathogenesis of important vector borne disease and at least all these diseases should be covered:(Leishmaniasis, Dengue, Yellow fever, Filariasis).
Cattle disease
Bluetongue is an insect-borne viral disease affecting ruminants transmitted by biting midges rather than between animals. It causes hemorrhaging of the oral tissues, swelling of the lips and tongue, and fever but does not affect humans. Trypanosomosis or sleeping sickness in cattle is transmitted by tsetse flies carrying protozoan parasites and causes diminished coordination, tremors, and wide stance. Bovine viral diarrhea virus can be congenitally transmitted, causing abortion or birth defects like cerebellar hypoplasia and lack of coordination in calves. Infectious bovine rhinotracheitis is a contagious respiratory disease of cattle caused by bovine herpesvirus 1 that can
Examples of pathological (disease) conditions
This document provides tables summarizing various pathological conditions organized by type of condition. Table 1 lists leading health problems in the US ranked by number of deaths caused. Tables 2-6 summarize various viral, bacterial, fungal, protozoal, and pathogenic animal conditions including diseases like AIDS, hepatitis, anthrax, candidiasis, malaria and more. Each entry provides the causative organism and a brief description of associated symptoms and transmission. The document serves as a reference for various infectious and non-infectious diseases and pathogens.
Pulmonary tuberculosis BY dr. shiv kumar
Pulmonary tuberculosis is a contagious bacterial infection caused by Mycobacterium tuberculosis that mainly affects the lungs but can spread to other organs. It is transmitted through the air when people with the active form cough, sneeze or speak and expel infectious droplets. Symptoms may include cough, blood in sputum, excessive sweating at night, fatigue, fever and unintentional weight loss. Most people recover from primary infection without further issues, but the infection can remain inactive for years and later reactivate as active disease.
Human health & diseases L03
This document discusses several human diseases caused by pathogens. It describes amoebic dysentery caused by the intestinal parasite Entamoeba histolytica transmitted through contaminated food and water. It also discusses ringworm fungi transmitted through contact with infected individuals. Finally, it discusses ascariasis caused by the roundworm Ascaris lumbricoides transmitted through contaminated vegetables and fruits, and filariasis caused by filarial worms transmitted by Culex mosquitoes which can cause elephantiasis.
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Communicable diseases are caused by pathogens that can be passed from person to person through various means of transmission like mucus, blood, breath, saliva, and sexual contact. Pathogens include viruses, bacteria, parasites, and fungi. They can spread through direct contact, indirect contact through vehicles like water or food, or through the air over long distances for some diseases like tuberculosis. Natural disasters can increase the transmission of waterborne diseases if drinking water is contaminated, as seen with outbreaks of diarrheal diseases, hepatitis A, and leptospirosis.
Encephalitis
Encephalitis is an inflammation of the brain that is often caused by a viral infection. Common viruses that can cause encephalitis include arboviruses transmitted by mosquitoes or ticks, enteroviruses like echovirus and coxsackievirus, herpes simplex virus type 1, and the amoeba that causes amebic meningoencephalitis found in fresh water. Symptoms of encephalitis include fever, nausea, vomiting, neck stiffness, changes in mental status, and neurological deficits. Management involves monitoring for increased intracranial pressure, administering antiviral medications, and providing rehabilitation for neurological problems.
Bird Flu
Bird flu is a viral infection that affects some particular species of wild birds. Although the said wild birds do not seem to be adversely affected by the virus, when it spreads to livestock that is being raised for human consumption like ducks and chickens, these birds to get sick and die. The virus generally infects birds and not human beings.
Bacteria
Haemophilus influenzae is a gram-negative bacterium commonly found in the human respiratory tract. It can cause infections such as meningitis, particularly in young children. The bacterium is classified into six serotypes based on its polysaccharide capsule, with type b being the most virulent and a former cause of epidemics before the development of an effective vaccine in the late 1980s. Transmission occurs through respiratory droplets, with symptoms including fever, cough, and congestion. Treatment involves antibiotics, and vaccination has dramatically reduced the incidence of invasive disease.
HIV & other Opportunistic Infections
- Opportunistic infections (OIs) are infections that occur more frequently and are more severe in individuals with weakened immune systems, including those with HIV. Common OIs include Pneumocystis pneumonia, tuberculosis, and infections caused by fungi such as Candida and Cryptococcus.
- As HIV infection progresses and the CD4 count declines below 200 cells/mm3, individuals are at greatest risk for developing OIs. However, some OIs can occur at CD4 counts below 500 cells/mm3.
- While OIs were more common in the early years of the HIV epidemic before effective antiretroviral therapy, many people with HIV still develop OIs if they are unaware of their
Corona virus
COVID-19 is a disease caused by the SARS-CoV-2 virus that can cause respiratory infections ranging from mild to deadly. SARS-CoV-2 is a new strain of coronavirus first identified in China in 2019. Coronaviruses are common viruses that typically cause mild upper respiratory infections, but SARS-CoV-2 has spread rapidly worldwide and can lead to pneumonia, organ failure, and death in severe cases.
Coronavirus (1)
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Human viral diseases
Viral diseases include common illnesses like the common cold, chickenpox, influenza, and measles. More serious viral diseases discussed are infectious hepatitis, polio, and rabies. The document contains an image of viral infections and lists several common and serious viral diseases.
Xii human health and disease ch 8
This document provides information on health, diseases, and the human immune system. It discusses:
- What health is and factors that affect health like genetics, lifestyle, and infections. Infectious diseases are transmitted between people while non-infectious are not.
- Common human diseases like typhoid, pneumonia, common cold, malaria, amoebiasis, ascariasis, and ringworm. It describes the causative pathogens, affected organs, transmission methods, and symptoms.
- The immune system's innate and acquired responses. Acquired immunity includes antibody-mediated and cell-mediated types. Active and passive immunity are also explained.
- Vaccination works by introducing antigens or weakened pathogens
Viruses and coronavirus
Viruses are sub-microscopic particles that can infect all types of life forms. They are made up of genetic material and protein and require a host cell to multiply. Coronaviruses are named for their spiky surface projections and can cause illnesses ranging from the common cold to SARS. COVID-19, which emerged in China in late 2019, is a new type of coronavirus. Coronaviruses originate in animals and some have the ability to transmit between animals and humans. Viral infections occur when a virus reproduces inside the body, potentially causing tissue damage and weakening the immune system.
Poultry Anatomy & Diseases
There are four main types of disease affecting poultry: metabolic and nutritional diseases; infectious diseases; parasitic diseases; and behavioural diseases.
Metabolic and nutritional diseases
These are conditions caused by a disturbance of normal metabolic functions either through a genetic defect, inadequate or inappropriate nutrition or impaired nutrient utilisation. These include Fatty Liver Syndrome, Perosis (or slipped tendon), Rickets and Cage Layer Fatigue.
Infectious diseases
An infectious disease is any disease caused by invasion of a host by a pathogen which subsequently grows and multiplies in the body. Infectious diseases are often contagious, which means they can be spread directly or indirectly from one living thing to another. These include Avian Encephalomyelitis, Avian Influenza, Avian Tuberculosis, Chicken Anaemia Virus Infection (or CAV), Chlamydiosis, Egg Drop Syndrome (or EDS), Fowl Cholera (or Pasteurellosis), Fowl Pox, Infectious Bronchitis, Infectious Bursal Disease (or Gumboro), Infectious Coryza, Infectious Laryngotracheitis, Lymphoid Leukosis, Marek’s Disease, Mycoplasmosis, Necrotic Enteritis, Newcastle Disease and Salmonellosis.
Parasitic diseases
Parasitic diseases are infections or infestations with parasitic organisms. They are often contracted through contact with an intermediate vector, but may occur as the result of direct exposure. A parasite is an organism that lives in or on, and takes its nourishment from, another organism. A parasite cannot live independently. These include Coccidiosis, Cryptosporidiosis, Histomoniasis, Lice and Mites, Parasitic Worms (or Helminths), Toxoplasmosis and Trichomoniasis.
Behavioural diseases
Abnormal behavioural patterns can lead to injury or ill health of the abnormally behaving bird and/or its companions. These include Cannibalism (or aggressive pecking).
Corona
Coronaviruses are common viruses that cause upper respiratory infections with symptoms like coughing, sore throat, and fever. More serious coronaviruses like MERS and SARS have appeared in recent years, causing outbreaks and deaths in the Middle East, Asia, and other regions. While there is no approved vaccine yet, researchers are testing vaccine candidates. Basic prevention methods include frequent handwashing, avoiding contact with infected individuals, and seeking medical care promptly for worsening symptoms.
viral diseases
Viral diseases are caused by viruses entering the body and multiplying within cells. They spread through respiratory droplets, sexual contact, mosquito bites, and contaminated surfaces. Common viral diseases include the common cold, influenza, HIV/AIDS, chickenpox, and measles. Treatment focuses on relieving symptoms while the immune system fights the virus. Antiviral drugs may also be used in some cases to shorten illnesses.
Fowl pox and treatment
Fowl pox is a contagious viral disease that mainly affects chickens and turkeys. It is caused by the avipoxvirus, an enveloped brick-shaped virus transmitted through mosquitoes, contaminated surfaces/air, or direct contact. The disease presents with three main forms: cutaneous/dry form features wart-like skin growths; diphtheritic/wet form causes white patches in the mouth and throat; oculonasal form causes eye and nose swelling and discharge. Diagnosis is based on characteristic lesions and PCR testing can confirm presence of virus. Prevention focuses on vaccination and controlling mosquitoes while treatment involves antibiotics, ointments, and sanitation.
Avian influenza
This document discusses avian influenza (AI), including its synonyms, introduction, etiology, structure, inactivation methods, pathogenicity classifications, recent outbreaks, epidemiology, zoonotic importance, transmission modes, pathogenesis, clinical signs, lesions, diagnosis, serological tests, differential diagnosis, and prevention/control strategies. AI is caused by influenza A viruses with 16 hemagglutinin and 9 neuraminidase subtypes found in birds. It ranges in severity from asymptomatic to acute in domestic birds. Diagnosis involves PCR, virus isolation, and serological testing. Prevention focuses on biosecurity, surveillance, quarantine, and depopulation.
Poliomyelitis
This document provides an overview of poliomyelitis (polio), including:
- Polio is a viral infection that can affect the spinal cord, causing muscle weakness and paralysis. There are three types that are transmitted via the fecal-oral route.
- The virus enters through the mouth and replicates in the gastrointestinal tract before potentially infecting cells in the central nervous system.
- Diagnosis involves testing samples of blood, cerebrospinal fluid, throat swabs, and feces through viral isolation, serology, or CSF analysis.
- Polio is predominantly seen in children under 3 years old and spreads more commonly in summer/rainy seasons. Prevention focuses on vaccination programs using both killed
Infectious Coryza_The Disease
Infectious coryza is caused by the bacterium Avibacterium paragallinarum. It is transmitted through direct contact or airborne routes and causes economic losses due to increased culling and drops in egg production. Clinical signs include nasal discharge, facial swelling, and decreased feed consumption. Post-mortem lesions include inflammation of the nasal passages and sinuses. Diagnosis can be made through clinical signs, lesions, and identifying the bacteria. Treatment involves antibiotics while prevention focuses on using coryza-free birds and bacterins.
Medical microbioogy
This document defines various medical microbiology terms and discusses pathogens such as viruses, bacteria, fungi, and protozoa that can cause human disease. It describes how diseases are transmitted through direct contact, indirect contact, vectors, airborne routes, food and water. It provides examples of bacterial diseases affecting different systems of the body and caused by organisms like Streptococcus, Corynebacterium diphtheriae, Bordetella pertussis, Neisseria meningitidis, Mycobacterium tuberculosis, Yersinia pestis, and Treponema pallidum. Viral diseases discussed include influenza, measles, mumps, chickenpox, arboviruses, hepatitis and HIV. F
Asignment 19.pdf
#دكتور_حاتم_البيطار
#دحاتم_البيطار
#timodentist
📞01005684344
💬 واتس 01202389028
Dr Hatem ElBitar
د حاتم البيطار
أستشاري وجراح أسنان
زميل الزمالة المصرية
محاضر ادارة المستشفيات ومكافحة العدوى
01005684344
#دحاتم_البيطار
http://bit.ly/2xzMIlo
Asignment 19.pdf
This document summarizes information about various infectious diseases including food poisoning, novel influenza, coronaviruses, Ebola viruses, and defines epidemic, pandemic and endemic. It describes the symptoms and causative agents of food poisoning, as well as the treatment of rehydration. It provides details on novel influenza viruses and human infections. For coronaviruses, it describes the family and subtypes, and provides facts about SARS-CoV and MERS. For Ebola viruses, it outlines the symptoms, case fatality rates for different strains, and transmission routes. It concludes by defining an epidemic as a disease affecting a large population locally, an endemic as a disease regularly found in a region, and a pandemic as a
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Communicable deseases presentation
Communicable diseases are caused by pathogens that can be passed from person to person through various means of transmission like mucus, blood, breath, saliva, and sexual contact. Pathogens include viruses, bacteria, parasites, and fungi. They can spread through direct contact, indirect contact through vehicles like water or food, or through the air over long distances for some diseases like tuberculosis. Natural disasters can increase the transmission of waterborne diseases if drinking water is contaminated, as seen with outbreaks of diarrheal diseases, hepatitis A, and leptospirosis.
Encephalitis
Encephalitis is an inflammation of the brain that is often caused by a viral infection. Common viruses that can cause encephalitis include arboviruses transmitted by mosquitoes or ticks, enteroviruses like echovirus and coxsackievirus, herpes simplex virus type 1, and the amoeba that causes amebic meningoencephalitis found in fresh water. Symptoms of encephalitis include fever, nausea, vomiting, neck stiffness, changes in mental status, and neurological deficits. Management involves monitoring for increased intracranial pressure, administering antiviral medications, and providing rehabilitation for neurological problems.
Bird Flu
Bird flu is a viral infection that affects some particular species of wild birds. Although the said wild birds do not seem to be adversely affected by the virus, when it spreads to livestock that is being raised for human consumption like ducks and chickens, these birds to get sick and die. The virus generally infects birds and not human beings.
Bacteria
Haemophilus influenzae is a gram-negative bacterium commonly found in the human respiratory tract. It can cause infections such as meningitis, particularly in young children. The bacterium is classified into six serotypes based on its polysaccharide capsule, with type b being the most virulent and a former cause of epidemics before the development of an effective vaccine in the late 1980s. Transmission occurs through respiratory droplets, with symptoms including fever, cough, and congestion. Treatment involves antibiotics, and vaccination has dramatically reduced the incidence of invasive disease.
HIV & other Opportunistic Infections
- Opportunistic infections (OIs) are infections that occur more frequently and are more severe in individuals with weakened immune systems, including those with HIV. Common OIs include Pneumocystis pneumonia, tuberculosis, and infections caused by fungi such as Candida and Cryptococcus.
- As HIV infection progresses and the CD4 count declines below 200 cells/mm3, individuals are at greatest risk for developing OIs. However, some OIs can occur at CD4 counts below 500 cells/mm3.
- While OIs were more common in the early years of the HIV epidemic before effective antiretroviral therapy, many people with HIV still develop OIs if they are unaware of their
Corona virus
COVID-19 is a disease caused by the SARS-CoV-2 virus that can cause respiratory infections ranging from mild to deadly. SARS-CoV-2 is a new strain of coronavirus first identified in China in 2019. Coronaviruses are common viruses that typically cause mild upper respiratory infections, but SARS-CoV-2 has spread rapidly worldwide and can lead to pneumonia, organ failure, and death in severe cases.
Coronavirus (1)
Coronaviruses are a group of viruses that cause respiratory tract infections in humans ranging from mild to lethal, with mild cases sometimes causing the common cold and more lethal varieties causing SARS, MERS, and COVID-19.
Streptococcus Pneumonia, Pneumonia,Meningitis,Sepsis,Otitis media,Treatment o...
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Human viral diseases
Viral diseases include common illnesses like the common cold, chickenpox, influenza, and measles. More serious viral diseases discussed are infectious hepatitis, polio, and rabies. The document contains an image of viral infections and lists several common and serious viral diseases.
Xii human health and disease ch 8
This document provides information on health, diseases, and the human immune system. It discusses:
- What health is and factors that affect health like genetics, lifestyle, and infections. Infectious diseases are transmitted between people while non-infectious are not.
- Common human diseases like typhoid, pneumonia, common cold, malaria, amoebiasis, ascariasis, and ringworm. It describes the causative pathogens, affected organs, transmission methods, and symptoms.
- The immune system's innate and acquired responses. Acquired immunity includes antibody-mediated and cell-mediated types. Active and passive immunity are also explained.
- Vaccination works by introducing antigens or weakened pathogens
Viruses and coronavirus
Viruses are sub-microscopic particles that can infect all types of life forms. They are made up of genetic material and protein and require a host cell to multiply. Coronaviruses are named for their spiky surface projections and can cause illnesses ranging from the common cold to SARS. COVID-19, which emerged in China in late 2019, is a new type of coronavirus. Coronaviruses originate in animals and some have the ability to transmit between animals and humans. Viral infections occur when a virus reproduces inside the body, potentially causing tissue damage and weakening the immune system.
Poultry Anatomy & Diseases
There are four main types of disease affecting poultry: metabolic and nutritional diseases; infectious diseases; parasitic diseases; and behavioural diseases.
Metabolic and nutritional diseases
These are conditions caused by a disturbance of normal metabolic functions either through a genetic defect, inadequate or inappropriate nutrition or impaired nutrient utilisation. These include Fatty Liver Syndrome, Perosis (or slipped tendon), Rickets and Cage Layer Fatigue.
Infectious diseases
An infectious disease is any disease caused by invasion of a host by a pathogen which subsequently grows and multiplies in the body. Infectious diseases are often contagious, which means they can be spread directly or indirectly from one living thing to another. These include Avian Encephalomyelitis, Avian Influenza, Avian Tuberculosis, Chicken Anaemia Virus Infection (or CAV), Chlamydiosis, Egg Drop Syndrome (or EDS), Fowl Cholera (or Pasteurellosis), Fowl Pox, Infectious Bronchitis, Infectious Bursal Disease (or Gumboro), Infectious Coryza, Infectious Laryngotracheitis, Lymphoid Leukosis, Marek’s Disease, Mycoplasmosis, Necrotic Enteritis, Newcastle Disease and Salmonellosis.
Parasitic diseases
Parasitic diseases are infections or infestations with parasitic organisms. They are often contracted through contact with an intermediate vector, but may occur as the result of direct exposure. A parasite is an organism that lives in or on, and takes its nourishment from, another organism. A parasite cannot live independently. These include Coccidiosis, Cryptosporidiosis, Histomoniasis, Lice and Mites, Parasitic Worms (or Helminths), Toxoplasmosis and Trichomoniasis.
Behavioural diseases
Abnormal behavioural patterns can lead to injury or ill health of the abnormally behaving bird and/or its companions. These include Cannibalism (or aggressive pecking).
Corona
Coronaviruses are common viruses that cause upper respiratory infections with symptoms like coughing, sore throat, and fever. More serious coronaviruses like MERS and SARS have appeared in recent years, causing outbreaks and deaths in the Middle East, Asia, and other regions. While there is no approved vaccine yet, researchers are testing vaccine candidates. Basic prevention methods include frequent handwashing, avoiding contact with infected individuals, and seeking medical care promptly for worsening symptoms.
viral diseases
Viral diseases are caused by viruses entering the body and multiplying within cells. They spread through respiratory droplets, sexual contact, mosquito bites, and contaminated surfaces. Common viral diseases include the common cold, influenza, HIV/AIDS, chickenpox, and measles. Treatment focuses on relieving symptoms while the immune system fights the virus. Antiviral drugs may also be used in some cases to shorten illnesses.
Fowl pox and treatment
Fowl pox is a contagious viral disease that mainly affects chickens and turkeys. It is caused by the avipoxvirus, an enveloped brick-shaped virus transmitted through mosquitoes, contaminated surfaces/air, or direct contact. The disease presents with three main forms: cutaneous/dry form features wart-like skin growths; diphtheritic/wet form causes white patches in the mouth and throat; oculonasal form causes eye and nose swelling and discharge. Diagnosis is based on characteristic lesions and PCR testing can confirm presence of virus. Prevention focuses on vaccination and controlling mosquitoes while treatment involves antibiotics, ointments, and sanitation.
Avian influenza
This document discusses avian influenza (AI), including its synonyms, introduction, etiology, structure, inactivation methods, pathogenicity classifications, recent outbreaks, epidemiology, zoonotic importance, transmission modes, pathogenesis, clinical signs, lesions, diagnosis, serological tests, differential diagnosis, and prevention/control strategies. AI is caused by influenza A viruses with 16 hemagglutinin and 9 neuraminidase subtypes found in birds. It ranges in severity from asymptomatic to acute in domestic birds. Diagnosis involves PCR, virus isolation, and serological testing. Prevention focuses on biosecurity, surveillance, quarantine, and depopulation.
Poliomyelitis
This document provides an overview of poliomyelitis (polio), including:
- Polio is a viral infection that can affect the spinal cord, causing muscle weakness and paralysis. There are three types that are transmitted via the fecal-oral route.
- The virus enters through the mouth and replicates in the gastrointestinal tract before potentially infecting cells in the central nervous system.
- Diagnosis involves testing samples of blood, cerebrospinal fluid, throat swabs, and feces through viral isolation, serology, or CSF analysis.
- Polio is predominantly seen in children under 3 years old and spreads more commonly in summer/rainy seasons. Prevention focuses on vaccination programs using both killed
Infectious Coryza_The Disease
Infectious coryza is caused by the bacterium Avibacterium paragallinarum. It is transmitted through direct contact or airborne routes and causes economic losses due to increased culling and drops in egg production. Clinical signs include nasal discharge, facial swelling, and decreased feed consumption. Post-mortem lesions include inflammation of the nasal passages and sinuses. Diagnosis can be made through clinical signs, lesions, and identifying the bacteria. Treatment involves antibiotics while prevention focuses on using coryza-free birds and bacterins.
Medical microbioogy
This document defines various medical microbiology terms and discusses pathogens such as viruses, bacteria, fungi, and protozoa that can cause human disease. It describes how diseases are transmitted through direct contact, indirect contact, vectors, airborne routes, food and water. It provides examples of bacterial diseases affecting different systems of the body and caused by organisms like Streptococcus, Corynebacterium diphtheriae, Bordetella pertussis, Neisseria meningitidis, Mycobacterium tuberculosis, Yersinia pestis, and Treponema pallidum. Viral diseases discussed include influenza, measles, mumps, chickenpox, arboviruses, hepatitis and HIV. F
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Asignment 19.pdf
#دكتور_حاتم_البيطار
#دحاتم_البيطار
#timodentist
📞01005684344
💬 واتس 01202389028
Dr Hatem ElBitar
د حاتم البيطار
أستشاري وجراح أسنان
زميل الزمالة المصرية
محاضر ادارة المستشفيات ومكافحة العدوى
01005684344
#دحاتم_البيطار
http://bit.ly/2xzMIlo
Asignment 19.pdf
This document summarizes information about various infectious diseases including food poisoning, novel influenza, coronaviruses, Ebola viruses, and defines epidemic, pandemic and endemic. It describes the symptoms and causative agents of food poisoning, as well as the treatment of rehydration. It provides details on novel influenza viruses and human infections. For coronaviruses, it describes the family and subtypes, and provides facts about SARS-CoV and MERS. For Ebola viruses, it outlines the symptoms, case fatality rates for different strains, and transmission routes. It concludes by defining an epidemic as a disease affecting a large population locally, an endemic as a disease regularly found in a region, and a pandemic as a
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The document discusses several virus families including poxviruses, adenoviruses, herpes viruses, corona viruses, and rhabdoviruses. Poxviruses cause skin lesions and molluscum contagiosum lesions. Adenoviruses cause respiratory infections like the common cold. Herpes viruses cause infections like cold sores, chickenpox, and mononucleosis. Corona viruses typically cause upper respiratory infections while rhabdoviruses can cause rabies, a serious neurological disease. Transmission of these viruses occurs through respiratory droplets, contact with skin lesions, or exposure to animal bites or scratches.
Coronaviruse (COVID-19)
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This document provides information on important poultry diseases, including infectious respiratory diseases like avian influenza, infectious bronchitis, and infectious laryngotracheitis. It also covers neoplastic, viral, bacterial, parasitic, deficiency, and food safety diseases. For each disease, it discusses the cause, transmission, clinical signs, diagnosis, treatment, prevention and control methods. The document is intended to give poultry managers a basic understanding of common poultry health issues.
TYPES OF PATHOGEN (MAPEH 8 - HEALTH)
Download the file here http://pladollmo.com/48h1
I do not own some slides .
This slide includes types of pathogens with images :)
You can use it to your lessons in Health :)
Influenza
Influenza is a common viral infection of the upper respiratory tract caused by influenza viruses types A, B, or C. Type A is the most virulent and is commonly associated with human disease. The 1918 flu pandemic killed over 50 million people worldwide. Seasonal flu epidemics affect hundreds of thousands annually. The virus is spherical with RNA segments and surface proteins HA and NA that allow attachment and entry into host cells. It is transmitted through droplets from coughing/sneezing or surfaces. The virus infects respiratory cells and hijacks the cell to replicate then buds and spreads. Symptoms result from both viral infection and immune response. Most recover in 1-2 weeks but some develop pneumonia. Treatment focuses on relieving symptoms
Influenza virus
Influenza is a common viral infection of the upper respiratory tract caused by influenza viruses type A, B, or C. Type A is the most virulent and commonly causes pandemics by undergoing antigenic drift or shift. It spreads through coughing/sneezing droplets or surfaces. The virus infects respiratory cells, hijacks the cell to replicate itself, then buds and spreads to new cells. Symptoms include fever, fatigue, and cough. Most people recover in 1-2 weeks but some develop pneumonia. Treatment focuses on relieving symptoms and using antiviral drugs in early infection. Vaccines target the HA and NA surface proteins to stimulate antibodies for protection against seasonal strains. Pandemics can occur when novel strains
Influenza
Influenza is a common viral infection of the upper respiratory tract caused by influenza viruses types A, B, or C. Type A is the most virulent and is commonly associated with human disease. The virus particle attaches to and enters host cells, hijacking their machinery to replicate new virus particles which bud out and infect other cells. Symptoms include fever, fatigue, and cough. While most people recover in 1-2 weeks, some can develop pneumonia. Treatment focuses on relieving symptoms and using antiviral drugs within 2 days. Vaccines containing inactivated virus strains help the immune system develop antibodies to fight infection. New pandemic strains can emerge through antigenic drift of seasonal virus mutations or antigenic shift of novel virus combinations
Influenza virus
Influenza is a common viral infection of the upper respiratory tract caused by influenza viruses type A, B, or C. Type A is the most virulent and is commonly associated with human disease. The 1918 influenza pandemic killed over 50 million people worldwide. Seasonal influenza epidemics occur yearly and affect hundreds of thousands of people. Influenza viruses infect epithelial cells in the nose and throat and can spread to the lungs, causing pneumonia. The virus is transmitted through droplets from coughing and sneezing or contact with contaminated surfaces. While most people recover in 1-2 weeks, some may develop serious complications like bacterial pneumonia. Treatment focuses on relieving symptoms and using antiviral drugs, while vaccines provide protection against strains predicted to
Pneumonia
This document provides an overview of pneumonia, including:
- Pneumonia is an infection of the lungs caused by bacteria, viruses, fungi or parasites that leads to lung inflammation. It can range from mild to life-threatening.
- There are several types of pneumonia classified by cause, including bacterial, viral, fungal, chemical and aspiration pneumonia.
- Pneumonia is also classified by location (lobar vs. lobular), duration (acute vs. chronic), location of infection (community acquired vs. hospital acquired) and pathology (typical vs. atypical).
Coronavirus by ahmed alghamdi and abdulrahman alghamdi
The document summarizes key information about coronaviruses including SARS-CoV-2, which causes COVID-19. It discusses the history of major plagues over the last century and describes past coronavirus outbreaks like SARS, MERS, and known human coronaviruses. It also examines the virology of coronaviruses, epidemiology of SARS and MERS, transmission mechanisms, and treatment approaches. Additionally, it explores the origins and evolution of SARS-CoV-2, the link between COVID-19 and pangolins, clinical presentation of COVID-19, and molecular testing recommendations.
Epidemiology of influenza.pptx. ..
Influenza, commonly called the flu, is caused by RNA viruses of the family Orthomyxoviridae that infect the respiratory tract of humans and animals. There are three main types of influenza viruses: A, B, and C. Influenza A viruses are further divided into subtypes based on two surface proteins, hemagglutinin and neuraminidase, and can undergo antigenic drift or shift. The H1N1 subtype caused a pandemic in 2009. Symptoms of the flu include fever, cough, sore throat, runny nose, headache, muscle aches and fatigue. The flu spreads through droplets from coughs, sneezes or talking. Vaccines and antiviral drugs can help prevent
Classification of viruses.pptx
The document discusses virus classification and taxonomy. It notes that recent classification systems have emphasized the viral genome as the primary determinant of taxonomy. Genomic sequencing and comparison to other known viral sequences is also used. Viruses are classified based on properties like their genome, capsid structure, host, and more. A taxonomy system of orders, families, subfamilies, genera and species is outlined. Different classification schemes like the Baltimore scheme are also summarized.
Relationship between SARS CoV, MERS CoV and COVID19.
The document discusses the phylogenetic relationship between SARS CoV1, MERS CoV, and SARS CoV2 based on their spike proteins. It provides information on coronaviruses in general and describes the three virus types - SARS CoV, MERS CoV, and SARS CoV2. For each virus type, it discusses symptoms, transmission, prevention, and their respective spike protein sequences. It also briefly discusses COVID-19 vaccines such as Covaxin, Pfizer, and Moderna.
Lecture 2 upper respiratory tract
The document discusses various upper respiratory infections including the common cold, influenza, pharyngitis, and sinusitis. It describes the epidemiology, clinical presentation, causative agents, and treatment for each condition. The respiratory tract's defenses against infection are also outlined. The common cold is usually viral in origin and self-limiting, while influenza can be caused by different virus subtypes and sometimes causes pneumonia. Pharyngitis may be due to viruses or Group A Streptococcus bacteria. Sinusitis is classified by duration and can be caused by various bacteria.
Hanta virus-1217124829483391-9
Hanta viruses are found globally and can cause serious, sometimes fatal diseases in humans. They are carried by rodents and humans can become infected through inhaling airborne excreta from infected rodents. There are several types of hanta viruses that each associate with specific rodent hosts. The two main diseases caused are hemorrhagic fever with renal syndrome and hantavirus pulmonary syndrome. Treatment focuses on supportive care and controlling rodent populations to prevent transmission.
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Coronavirus by ahmed alghamdi and abdulrahman alghamdi
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Relationship between SARS CoV, MERS CoV and COVID19.
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The document provides brief biographies of 11 influential Indian social reformers from the 19th-20th centuries who worked on issues like women's rights and education, eradication of untouchability and caste discrimination, modernization of language and literature, and India's independence movement. Some of the reformers mentioned are Raja Ram Mohan Roy, Ishwar Chandra Vidyasagar, Pandita Ramabai Sarasvati, Rabindranath Tagore, Bhimrao Ambedkar, Swami Vivekananda, Jyotirao Phule, and Mohandas Gandhi.
Total Internal Reflection
This document discusses total internal reflection (TIR). It defines TIR as occurring when light enters a medium with a lower optical density at an angle greater than the critical angle, causing it to be totally reflected back rather than refracted. It presents three cases of a light ray entering from a denser to rarer medium and describes how TIR applies in the third case when the incident angle exceeds the critical angle. Examples where TIR occurs include the formation of rainbows, the luster of diamonds, mirages, and optical fibers.
work and energy
This document provides an introduction to work, energy, and their related concepts. It defines work as the dot product of force and displacement, with units of joules. There can be positive, negative, or zero work depending on the direction of force and displacement. Energy is defined as the ability to do work and is also measured in joules. Mechanical energy is the sum of kinetic energy (1/2mv^2) and potential energy. The work-energy theorem states that work done equals the change in kinetic energy. The law of conservation of energy says energy cannot be created or destroyed, only transferred between forms. Power is defined as the rate of work or energy transfer over time, with units of watts.
Comparing Quantities
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graphical derivation of equations of motion
This document presents a summary of kinematics and derives the three kinematic equations of motion graphically. Kinematics deals with motion without forces. The three kinematic equations relate the variables of velocity (v), initial velocity (u), acceleration (a), time (t), and displacement (s). The document derives each equation graphically using a velocity-time graph: (1) v=u+at from the slope of the line, (2) v^2-u^2=2as from the area under the curve as a trapezoid, and (3) s=ut+1/2at^2 from considering the area under the curve as a triangle and rectangle.
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This document provides an overview of celestial objects and the solar system. It begins by defining celestial objects as stars, planets, moons and other objects in the sky. It then discusses astronomy as the study of these celestial objects. The rest of the document describes the moon's phases and features, stars and constellations, planets in our solar system including their characteristics, and other members of the solar system like asteroids, comets, meteors and meteorites. It also discusses natural satellites like the moon and artificial satellites orbiting Earth.
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Viral Disease
- 1. Viral Diseases and the virus causing them
- 2. What is a viral disease? A viral disease is any illness or health condition caused by a virus.
- 3. Chicken Pox Chickenpox is an infection caused by the varicella-zoster virus. It causes an itchy rash with small, fluid-filled blisters.
- 4. Flu Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs.
- 5. Measles Measles is caused by a virus in the paramyxovirus family
- 6. Mumps Mumps is a viral illness caused by a paramyxovirus, a member of the Rubulavirus family.
- 7. Rubella The disease is caused by the rubella virus, in the genus Rubivirus from the family Matonaviridae
- 8. Hepatitis Hepatitis A is a liver disease caused by the hepatitis A virus (HAV)
- 9. COVID-19 Covid-19 is a disease that is caused by Severe acute respiratory syndrome coronavirus 2 (SARS- CoV-2)
- 10. AIDS (AIDS) is a chronic, potentially life- threatening condition caused by the human immunodeficiency virus (HIV).