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Yellow fever is an acute viral disease transmitted through mosquito bites found in tropical areas of Africa and South America. It has three clinical periods including an initial infection period with flu-like symptoms, a remission period where symptoms subside briefly, followed by a toxic intoxication period with more severe symptoms like jaundice and hemorrhaging. There is no cure for yellow fever, though a preventive vaccine was developed in 1937.
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Clinical presentation
Yellow fever is an acute viral disease endemic in tropical areas of Africa and Latin America, with no cure or specific treatment. It is transmitted primarily by mosquitoes between monkeys and humans. The clinical presentation involves three periods: an initial infection with flu-like symptoms, a remission period with symptoms subsiding briefly, then a return of symptoms with increased intensity and potential complications like jaundice and hemorrhaging in the intoxication period.
West Nile Encephalitis
West Nile encephalitis is a neuroinvasive disease caused by the West Nile virus. While most West Nile virus infections are mild, less than 1% affect the nervous system. West Nile encephalitis presents with neurological symptoms like tremors, myoclonus, and ataxia. MRI may show abnormalities in the basal ganglia and thalami. There is no definitive treatment, so management focuses on supportive care and prevention.
Dengue Fever
Dengue fever is a prevalent mosquito-borne illness caused by dengue virus and transmitted by Aedes aegypti mosquitoes. It affects over 100 countries and causes 50-100 million infections annually. The disease presentation varies from a nonspecific viral syndrome to severe dengue hemorrhagic fever/dengue shock syndrome. There is no vaccine currently available and treatment involves supportive care, with careful fluid management needed for severe cases to prevent shock. Prevention relies on personal protection from mosquito bites and reducing mosquito breeding sites.
Dengue virus
The slide is about Dengue virus introduction,signs and symptoms, Dengue Virus Family, Life cycle, Diagnosis, Treatment and Prevention.
Dengue clinical features
The document discusses dengue fever, which infects 50 million people annually in dengue endemic countries. It notes that all four dengue virus serotypes are found in India, and infection with one serotype only provides lifelong immunity to that serotype. A secondary infection with a different serotype can cause the more severe dengue hemorrhagic fever or dengue shock syndrome. It outlines the symptoms and stages of primary and secondary dengue infections.
DENGUE FEVER PRESENTATION
THIS PPT. IS USEFUL FOR THE COMPETITION AND MANY AWARENESS IS GIVEN ABOUT DENGUE IN A VERY SIMPLE WAY .
Dengue
IT INCLUDES ABOUT DENGUE ITS CAUSES, SIGNS AND SYMPTOMS, TREATMENT, MANAGEMENT, PREVENTION AND CONTROL
Worst diseases in the world
The document lists and provides brief details about some of the worst diseases in world history, including AIDS, the Black Death, Spanish Flu, cholera, smallpox, bubonic plague, and malaria. It notes that AIDS is caused by HIV and results in immune deficiency, the Black Death was a devastating pandemic caused by the Yersinia pestis bacterium in Europe, and the Spanish Flu was a highly lethal influenza pandemic most affecting the United States in the early 20th century. It also provides short descriptions of cholera caused by Vibrio cholerae bacteria, smallpox caused by Variola virus, and malaria.
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Clinical presentation
Yellow fever is an acute viral disease endemic in tropical areas of Africa and Latin America, with no cure or specific treatment. It is transmitted primarily by mosquitoes between monkeys and humans. The clinical presentation involves three periods: an initial infection with flu-like symptoms, a remission period with symptoms subsiding briefly, then a return of symptoms with increased intensity and potential complications like jaundice and hemorrhaging in the intoxication period.
West Nile Encephalitis
West Nile encephalitis is a neuroinvasive disease caused by the West Nile virus. While most West Nile virus infections are mild, less than 1% affect the nervous system. West Nile encephalitis presents with neurological symptoms like tremors, myoclonus, and ataxia. MRI may show abnormalities in the basal ganglia and thalami. There is no definitive treatment, so management focuses on supportive care and prevention.
Dengue Fever
Dengue fever is a prevalent mosquito-borne illness caused by dengue virus and transmitted by Aedes aegypti mosquitoes. It affects over 100 countries and causes 50-100 million infections annually. The disease presentation varies from a nonspecific viral syndrome to severe dengue hemorrhagic fever/dengue shock syndrome. There is no vaccine currently available and treatment involves supportive care, with careful fluid management needed for severe cases to prevent shock. Prevention relies on personal protection from mosquito bites and reducing mosquito breeding sites.
Dengue virus
The slide is about Dengue virus introduction,signs and symptoms, Dengue Virus Family, Life cycle, Diagnosis, Treatment and Prevention.
Dengue clinical features
The document discusses dengue fever, which infects 50 million people annually in dengue endemic countries. It notes that all four dengue virus serotypes are found in India, and infection with one serotype only provides lifelong immunity to that serotype. A secondary infection with a different serotype can cause the more severe dengue hemorrhagic fever or dengue shock syndrome. It outlines the symptoms and stages of primary and secondary dengue infections.
DENGUE FEVER PRESENTATION
THIS PPT. IS USEFUL FOR THE COMPETITION AND MANY AWARENESS IS GIVEN ABOUT DENGUE IN A VERY SIMPLE WAY .
Dengue
IT INCLUDES ABOUT DENGUE ITS CAUSES, SIGNS AND SYMPTOMS, TREATMENT, MANAGEMENT, PREVENTION AND CONTROL
Worst diseases in the world
The document lists and provides brief details about some of the worst diseases in world history, including AIDS, the Black Death, Spanish Flu, cholera, smallpox, bubonic plague, and malaria. It notes that AIDS is caused by HIV and results in immune deficiency, the Black Death was a devastating pandemic caused by the Yersinia pestis bacterium in Europe, and the Spanish Flu was a highly lethal influenza pandemic most affecting the United States in the early 20th century. It also provides short descriptions of cholera caused by Vibrio cholerae bacteria, smallpox caused by Variola virus, and malaria.
Dengue Fever 2019
This document describes a case of dengue fever in a 36-year-old female patient who presented with high fever, body aches, headaches and joint pains for 4 days. Her lab tests showed low platelet count and hematocrit increase. She was diagnosed with dengue fever with warning signs and died within 24 hours of admission. It then provides details on the epidemiology, transmission, clinical presentation and management of dengue fever, noting it is a mosquito-borne illness caused by the dengue virus with nearly 400 million cases annually worldwide.
Dengue Hemorrhagic Fever
This document discusses dengue, a mosquito-borne viral disease. It notes that an estimated 50 million dengue infections occur annually, with approximately 2.5 billion people living in endemic areas. The disease is caused by any of four dengue virus serotypes and presents with a wide range of symptoms. Early recognition and timely intervention are key, as the clinical course can be unpredictable. Prevention relies on vector control measures and community participation in sanitation and waste management.
Yellow fever
This document defines yellow fever, discusses its transmission via infected mosquitoes, and outlines its epidemiology, clinical features, diagnosis, treatment, and control. Yellow fever is an acute viral disease transmitted by Aedes and Haemogogus mosquitoes that causes jaundice and can be fatal. It is diagnosed through blood tests and treated symptomatically with rest and fever relief. Vaccination and mosquito control are important for prevention.
Dengue fever slide
Dengue fever is a disease caused by viruses transmitted by mosquitoes. Symptoms include headache, fever, joint pain, and rash. It can range from mild to life-threatening hemorrhagic fever. While prevalent in tropical areas, local transmission has occurred in Florida. There is no vaccine or specific treatment, so prevention depends on controlling the mosquito population.
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Tick borne infections
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Understanding dengue
This document provides an overview of dengue fever, including its causes, transmission, global impact, and prevention. Some key points:
- Dengue fever is a viral disease transmitted by Aedes mosquitoes, primarily Aedes aegypti. There are 4 types of dengue viruses.
- It affects over 50 million people annually worldwide and is a major public health challenge in many tropical and subtropical countries, including the Philippines.
- Transmission occurs when an infected mosquito bites a person and transmits the virus. There is typically an incubation period of 4-7 days before symptoms appear.
- Symptoms range from mild fever to severe dengue hemorrhagic fever. Treatment depends on
Dengue fever
1) Dengue fever is a mosquito-borne tropical disease caused by the dengue virus and spread by several species of mosquito, principally Aedes aegypti.
2) Infection with one dengue virus type usually gives lifelong immunity to that type but only short-term immunity to others, and subsequent infection with a different type increases the risk of severe complications.
3) Aedes aegypti and Aedes albopictus are the two most prominent mosquito species that transmit viruses causing dengue fever, yellow fever, West Nile fever, chikungunya, eastern equine encephalitis, and Zika virus.
Dengue Clinical features and management
1. The document discusses dengue fever, including its epidemiology, pathophysiology, clinical features, diagnosis, and management.
2. It is caused by the dengue virus, which has four serotypes. Secondary infection with a different serotype can cause more severe disease.
3. Management involves symptomatic treatment, fluid resuscitation in severe cases to prevent shock, and monitoring for complications involving organs like the liver, heart and kidneys. Platelet transfusion may be needed if counts drop very low or there is bleeding.
Dengue virus
Dengue virus is transmitted through the bites of infected Aedes mosquitoes. It can cause a range of illnesses from mild dengue fever to severe dengue hemorrhagic fever and dengue shock syndrome. Symptoms range from fever, rash and joint pain to bleeding, low blood pressure and death. Diagnosis involves virus detection, antibody testing or assessment of clinical symptoms and exposure history. There is no vaccine for dengue prevention and treatment focuses on rest, fluids and medication for fever or pain.
Dengue fever
Dengue fever is caused by the dengue virus, which is transmitted by the Aedes aegypti mosquito. It has four distinct serotypes. The virus replicates in the mosquito and humans, who serve as the primary reservoir of infection. Symptoms range from a mild fever to the potentially lethal dengue hemorrhagic fever. There is no vaccine, so prevention depends on controlling the mosquito population and avoiding bites.
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Dengue fever is a mosquito-borne tropical disease caused by the dengue virus. It is transmitted by the Aedes aegypti mosquito and is common in parts of Asia, Africa, and Central and South America. Symptoms include sudden high fever, severe headaches, joint and muscle pain, and skin rash. While there is no vaccine or specific treatment, most people recover after rest. Climate change is causing warmer temperatures that allow mosquitoes to thrive and transmit dengue more easily. Prevention efforts focus on eliminating mosquito breeding habitats and using protective measures like repellents, clothing, and screens.
Japanese encephalitis (je)
Japanese encephalitis (JE) is a viral disease spread by mosquitoes. It is a leading cause of viral encephalitis in Asia. The JE virus is maintained in a cycle between mosquitoes (especially Culex tritaeniorhynchus) and vertebrate hosts like pigs and birds. While most human infections are asymptomatic, some cases lead to brain inflammation (encephalitis) with severe symptoms and about 25% of encephalitis cases are fatal. India has high numbers of cases annually, with over 50,000 cases globally and 14,000 deaths. Children under 15 are most at risk. Prevention strategies include JE vaccination programs and vector control measures like insecticide spraying and bed nets.
dengue fever
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Dengue fever
Dengue is a mosquito-borne viral infection affecting over 100 countries. It is transmitted by the Aedes mosquito and risks have grown dramatically with around 50 million cases estimated annually. Symptoms range from fever and joint pain to potentially lethal hemorrhagic fever. There is no vaccine yet so prevention depends on avoiding mosquito bites and reducing breeding habitats.
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Dengue fever
- Dengue fever is a viral illness transmitted by mosquitoes that has increased dramatically globally in recent decades. It is caused by one of four dengue virus serotypes.
- The Aedes aegypti mosquito is the primary vector for transmitting the dengue viruses. It breeds in standing water and bites humans to acquire the virus.
- The illness begins with a high fever and other flu-like symptoms lasting 2-7 days. Some patients may develop a more severe form with bleeding and shock called dengue hemorrhagic fever. Treatment focuses on relieving symptoms and careful monitoring during recovery.
Dengue
Dengue fever is caused by a virus transmitted by mosquitoes and causes flu-like symptoms such as fever, headache, muscle and joint pain. It occurs in tropical and subtropical regions and there is no vaccine or specific treatment, though symptoms can be relieved with rest, hydration and pain medication. A severe form called dengue hemorrhagic fever can occur in children and cause bleeding, shock and death in some cases. Prevention focuses on controlling mosquito populations and avoiding bites.
Detection of yellow fever by reverse transcriptase polymerase
The document describes a study that used reverse transcriptase polymerase chain reaction (RT-PCR) to detect yellow fever virus in liver tissue samples from five dead monkeys in Colombia between 2011-2012. RT-PCR amplified fragments of the expected size in four samples, and these samples also tested positive for viral proteins on immunohistochemistry, confirming the virus was present. The detection of yellow fever virus in wild monkeys provided clear evidence of endemic activity in northern Colombia and increased the probability of transmission to humans due to urbanization and forced migration. RT-PCR is an important tool for rapid and specific detection of yellow fever in primate tissue samples for epidemiological surveillance.
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This document describes a case of dengue fever in a 36-year-old female patient who presented with high fever, body aches, headaches and joint pains for 4 days. Her lab tests showed low platelet count and hematocrit increase. She was diagnosed with dengue fever with warning signs and died within 24 hours of admission. It then provides details on the epidemiology, transmission, clinical presentation and management of dengue fever, noting it is a mosquito-borne illness caused by the dengue virus with nearly 400 million cases annually worldwide.
Dengue Hemorrhagic Fever
This document discusses dengue, a mosquito-borne viral disease. It notes that an estimated 50 million dengue infections occur annually, with approximately 2.5 billion people living in endemic areas. The disease is caused by any of four dengue virus serotypes and presents with a wide range of symptoms. Early recognition and timely intervention are key, as the clinical course can be unpredictable. Prevention relies on vector control measures and community participation in sanitation and waste management.
Yellow fever
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Dengue fever slide
Dengue fever is a disease caused by viruses transmitted by mosquitoes. Symptoms include headache, fever, joint pain, and rash. It can range from mild to life-threatening hemorrhagic fever. While prevalent in tropical areas, local transmission has occurred in Florida. There is no vaccine or specific treatment, so prevention depends on controlling the mosquito population.
JAPANESE ENCEPHALITIS
This document discusses Japanese encephalitis (JE), a mosquito-borne viral disease. It provides background on JE, noting it is a leading cause of viral encephalitis in Asia. The purpose is to review potential new treatment approaches, as vaccines are available but the disease persists and outbreaks are challenging to predict. The virus life cycle and transmission between mosquitoes and pigs/birds is described. While some treatment trials have occurred, none have proven effective due to small sample sizes. The document discusses the virus pathogenesis and potential immunological targets for treatment, such as reducing inflammation. It reviews existing compounds with anti-JE activity in animal models that could be tested in humans.
Tick borne infections
This document provides an overview of tick-borne infections including Lyme disease, anaplasmosis, ehrlichiosis, babesiosis, Powassan virus, and Rocky Mountain spotted fever. It discusses the epidemiology, ecology, clinical presentation, diagnosis, treatment and prevention of these infections. Key points include expanding ranges for ticks and infections, new diagnostic tests such as nucleic acid tests, similarities and differences between diseases, and recommendations for doxycycline treatment of most infections.
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This document provides an overview of dengue fever, including its causes, transmission, global impact, and prevention. Some key points:
- Dengue fever is a viral disease transmitted by Aedes mosquitoes, primarily Aedes aegypti. There are 4 types of dengue viruses.
- It affects over 50 million people annually worldwide and is a major public health challenge in many tropical and subtropical countries, including the Philippines.
- Transmission occurs when an infected mosquito bites a person and transmits the virus. There is typically an incubation period of 4-7 days before symptoms appear.
- Symptoms range from mild fever to severe dengue hemorrhagic fever. Treatment depends on
Dengue fever
1) Dengue fever is a mosquito-borne tropical disease caused by the dengue virus and spread by several species of mosquito, principally Aedes aegypti.
2) Infection with one dengue virus type usually gives lifelong immunity to that type but only short-term immunity to others, and subsequent infection with a different type increases the risk of severe complications.
3) Aedes aegypti and Aedes albopictus are the two most prominent mosquito species that transmit viruses causing dengue fever, yellow fever, West Nile fever, chikungunya, eastern equine encephalitis, and Zika virus.
Dengue Clinical features and management
1. The document discusses dengue fever, including its epidemiology, pathophysiology, clinical features, diagnosis, and management.
2. It is caused by the dengue virus, which has four serotypes. Secondary infection with a different serotype can cause more severe disease.
3. Management involves symptomatic treatment, fluid resuscitation in severe cases to prevent shock, and monitoring for complications involving organs like the liver, heart and kidneys. Platelet transfusion may be needed if counts drop very low or there is bleeding.
Dengue virus
Dengue virus is transmitted through the bites of infected Aedes mosquitoes. It can cause a range of illnesses from mild dengue fever to severe dengue hemorrhagic fever and dengue shock syndrome. Symptoms range from fever, rash and joint pain to bleeding, low blood pressure and death. Diagnosis involves virus detection, antibody testing or assessment of clinical symptoms and exposure history. There is no vaccine for dengue prevention and treatment focuses on rest, fluids and medication for fever or pain.
Dengue fever
Dengue fever is caused by the dengue virus, which is transmitted by the Aedes aegypti mosquito. It has four distinct serotypes. The virus replicates in the mosquito and humans, who serve as the primary reservoir of infection. Symptoms range from a mild fever to the potentially lethal dengue hemorrhagic fever. There is no vaccine, so prevention depends on controlling the mosquito population and avoiding bites.
The Deadly Dengue!
Dengue fever is a mosquito-borne tropical disease caused by the dengue virus. It is transmitted by the Aedes aegypti mosquito and is common in parts of Asia, Africa, and Central and South America. Symptoms include sudden high fever, severe headaches, joint and muscle pain, and skin rash. While there is no vaccine or specific treatment, most people recover after rest. Climate change is causing warmer temperatures that allow mosquitoes to thrive and transmit dengue more easily. Prevention efforts focus on eliminating mosquito breeding habitats and using protective measures like repellents, clothing, and screens.
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Japanese encephalitis (JE) is a viral disease spread by mosquitoes. It is a leading cause of viral encephalitis in Asia. The JE virus is maintained in a cycle between mosquitoes (especially Culex tritaeniorhynchus) and vertebrate hosts like pigs and birds. While most human infections are asymptomatic, some cases lead to brain inflammation (encephalitis) with severe symptoms and about 25% of encephalitis cases are fatal. India has high numbers of cases annually, with over 50,000 cases globally and 14,000 deaths. Children under 15 are most at risk. Prevention strategies include JE vaccination programs and vector control measures like insecticide spraying and bed nets.
dengue fever
Dengue fever is caused by the dengue virus transmitted by the Aedes mosquito. It has been a major pandemic in the last 50 years, affecting over 100 countries. The document discusses the history, epidemiology, transmission, clinical features, diagnosis and management of dengue fever. It focuses on the situation of dengue in Bangladesh, outlining past outbreaks in the country since 1964 and monthly distribution of cases.
Chicken pox
Chicken pox is an infectious disease caused by the varicella zoster virus. It causes an itchy rash that spreads over the body and develops into fluid-filled blisters that eventually crust over. While usually mild and self-limiting in children, it can cause serious complications in adults and those with weak immune systems. Vaccination has significantly reduced cases in the US since being introduced in 1995. Treatment focuses on relieving itching and symptoms, with antiviral drugs used in severe cases.
Dengue fever
Dengue is a mosquito-borne viral infection affecting over 100 countries. It is transmitted by the Aedes mosquito and risks have grown dramatically with around 50 million cases estimated annually. Symptoms range from fever and joint pain to potentially lethal hemorrhagic fever. There is no vaccine yet so prevention depends on avoiding mosquito bites and reducing breeding habitats.
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This document summarizes information about two diseases: tetanus and Parkinson's disease. Tetanus is caused by toxins produced by the Clostridium tetani bacteria entering the body through wounds. It causes painful muscle spasms and can be fatal if untreated. Vaccines provide effective prevention. Parkinson's disease results from the loss of dopamine-producing neurons in the brain. Its characteristic symptoms include tremors, slow movement, and rigid facial expressions. While its causes are unknown, treatments aim to replace dopamine or reduce symptoms. Both diseases disproportionately impact older populations.
Malaria, dengue, chikungunya
Malaria, dengue, and chikungunya are mosquito-borne diseases. Malaria is transmitted through the bite of an infected Anopheles mosquito carrying the Plasmodium parasite. Dengue is caused by one of four viruses transmitted by the Aedes mosquito. Chikungunya is caused by the Chikungunya virus transmitted by Aedes albopictus and Aedes aegypti mosquitoes. Delhi is currently experiencing its worst dengue outbreak in 19 years with over 12,000 cases reported so far.
Dengue fever
- Dengue fever is a viral illness transmitted by mosquitoes that has increased dramatically globally in recent decades. It is caused by one of four dengue virus serotypes.
- The Aedes aegypti mosquito is the primary vector for transmitting the dengue viruses. It breeds in standing water and bites humans to acquire the virus.
- The illness begins with a high fever and other flu-like symptoms lasting 2-7 days. Some patients may develop a more severe form with bleeding and shock called dengue hemorrhagic fever. Treatment focuses on relieving symptoms and careful monitoring during recovery.
Dengue
Dengue fever is caused by a virus transmitted by mosquitoes and causes flu-like symptoms such as fever, headache, muscle and joint pain. It occurs in tropical and subtropical regions and there is no vaccine or specific treatment, though symptoms can be relieved with rest, hydration and pain medication. A severe form called dengue hemorrhagic fever can occur in children and cause bleeding, shock and death in some cases. Prevention focuses on controlling mosquito populations and avoiding bites.
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Yellow Fever
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Clinical Presentation
Yellow fever is an acute viral disease endemic in tropical Africa and Latin America with no cure or specific treatment. It is transmitted by mosquitoes carrying the yellow fever virus, primarily between monkeys but also from monkeys to humans and between people. The clinical presentation involves three periods: an initial infection with flu-like symptoms, a remission period with symptoms subsiding briefly, and a final toxic phase with more severe symptoms like jaundice and bleeding.
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Clinical presentation
Yellow fever is an acute viral disease endemic in tropical areas of Africa and Latin America, with no cure or specific treatment. It is transmitted primarily by mosquitoes between monkeys and humans. The clinical presentation involves three periods - an initial infection period with flu-like symptoms, a remission period with symptoms subsiding briefly, followed by a more severe intoxication period with jaundice and potential hemorrhagic manifestations in 15% of cases, resulting in a 3% fatality rate overall.
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Yellow fever
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Yellow Fever - The Disease
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Yellow fever slide
Yellow fever is caused by a virus transmitted through the bites of infected female mosquitoes, with an incubation period of 3-6 days. Symptoms include headache, fever, and muscle aches initially, which can develop into more severe symptoms like jaundice, liver failure, and black vomit in the second phase for some patients. While most cases resolve on their own, around 3% of infected individuals may die from yellow fever if the disease progresses to liver and kidney failure.
PR-aktycznie o Public Relations
Obecnie, śledząc branżę związaną z szeroko rozumianą komunikacją, można odnieść wrażenie, że na public relations znają się wszyscy. Definicja tego pojęcia dziś nie jest jednoznaczna, bo PR bardzo szybko ewoluuje. Jednak czy wszyscy PR-owcy nadążają za zmianami lub w ogóle myślą o zmianie?
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Promotion - tworzymy nowy marketing na Uniwersytecie Ekonomicznym we Wrocławiu.
Module 4. motherboard.
The document provides an overview of motherboards and their components. It discusses the different physical form factors of motherboards as well as the key components like the chipset, BIOS, and expansion slots. The roles of the chipset and controllers are explained, covering topics like processor support, memory support, I/O functions. CMOS settings and BIOS configuration are also covered, along with POST errors and system resources.
pretreatment is the heart of wet processing.
Pretreatment is an essential process for textile materials prior to dyeing and printing. The key processes include singeing, desizing, scouring, bleaching, and mercerizing. Singeing burns off protruding fibers to smooth the surface. Desizing removes starch coatings from warp yarns. Scouring makes the fabric highly absorbent by removing natural oils and impurities. Bleaching removes natural colorants to whiten the fabric. Mercerizing improves luster, strength, and dye uptake of cotton fabrics. All pretreatment processes prepare textiles for downstream applications.
Yellow Fever: Threat to Asia-Pacific Region
1) The yellow fever vector mosquito Aedes aegypti is found throughout tropical Asia, putting over 2 billion people at risk of a potential yellow fever outbreak.
2) Direct flights from yellow fever affected regions in Africa and South America can reach major cities in Asia-Pacific countries within 25 hours, increasing the risk of importing yellow fever.
3) The Asia-Pacific region lacks sufficient vaccine supplies and infrastructure to handle a large-scale yellow fever outbreak, which could result in millions of deaths if the virus is introduced.
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The Nervous and Chemical Regulation of Respiration
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Clinical Presentation
- 1. Clinical Presentation of Yellow Fever
- 2. Global Distribution of Disease
- 3. • Acute viral disease of tropical Africa and America • Transmitted by the bite of female mosquitoes • A re-emerging infectious disease for which there is no cure of specific treatment • Preventive vaccine developed in 1937
- 4. Clinical Periods • Three distinguishable periods • Infection: fever, headache, malaise, weakness, nausea and vomiting • Remission: Symptoms remit before coming back with increased intensity • Intoxication: jaundice, albuminuria, cardiovascular instability and hemorrhagic manifestations