Infectious Diseases
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Infectious Diseases

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Infectious diseases, also known as transmissible diseases or communicable diseases, comprise clinically evident illness resulting from the infection, presence and growth of pathogenic biological ...

Infectious diseases, also known as transmissible diseases or communicable diseases, comprise clinically evident illness resulting from the infection, presence and growth of pathogenic biological agents in an individual host organism.

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    Infectious Diseases Infectious Diseases Presentation Transcript

    • Infectious Diseases
    • Definition: Infectious diseases are disorders caused by organisms such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful, but some organisms under certain conditions may cause disease.
    • Cholera: Cholera is an infection in the small intestine caused by the bacterium Vibrio cholerae. The main symptoms are watery diarrhea and vomiting. Transmission occurs primarily by drinking water or eating food that has been contaminated by the feces of an infected person, including one with no apparent symptoms.The severity of the diarrhea and vomiting can lead to rapid dehydration and electrolyte imbalance, and death in some cases.
    • Cryptosporidiosis Cryptosporidiosis, also known as crypto is a parasitic disease caused by Cryptosporidium, a protozoan parasite in the phylum Apicomplexa. It affects the intestines and is typically an acute short-term infection. It is spread through the fecal-oral route, often through contaminated water the main symptom is self-limiting diarrhea in people with intact immune systems. In immunocompromised individuals, such as AIDS patients, the symptoms are particularly severe and often fatal.
    • Dengue: Dengue fever is also known as break bone fever, is an infectious tropical disease caused by the dengue virus. Symptoms include fever, headache, muscle and joint pains, and a characteristic skin rash that is similar to measles. In a small proportion of cases the disease develops into the life- threatening dengue hemorrhagic fever, resulting in bleeding, low levels of blood platelets and blood plasma leakage, or into dengue shock syndrome, where dangerously low blood pressure occurs.
    • Influenza: Influenza, commonly known as "the flu", is an infectious disease of birds and mammals caused by RNA viruses of the family Orthomyxoviridae, the influenza viruses. The most common symptoms are chills, fever, runny nose, sore throat, muscle pains, headache, coughing, weakness or fatigue and general discomfort.Although it is often confused with other influenza-like illnesses, especially the common cold, influenza is a more severe disease caused by a different type of virus.