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  2. Contagious disease - Wikipedia

    en.wikipedia.org/wiki/Contagious_disease

    A contagious disease is an infectious disease that can be spread rapidly in several ways, including direct contact, indirect contact, and Droplet contact. [1] [2] These diseases are caused by organisms such as parasites, bacteria, fungi, and viruses. While many types of organisms live on the human body and are usually harmless, these organisms ...

  3. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    An infectious disease, also known as a transmissible disease or communicable disease, is an illness resulting from an infection. Infections can be caused by a wide range of pathogens, most prominently bacteria and viruses. [2] Hosts can fight infections using their immune systems.

  4. Epidemic - Wikipedia

    en.wikipedia.org/wiki/Epidemic

    A zoonosis is an infectious disease of humans caused by a pathogen that can jump from a non-human host to a human. [35] Major diseases such as Ebola virus disease and salmonellosis are zoonoses. HIV was a zoonotic disease transmitted to humans in the early part of the 20th century, though it has now evolved into a separate human-only disease. [36]

  5. List of infectious diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_infectious_diseases

    Chin J. B., ed. Control of Communicable Diseases Manual. 17th ed. APHA [American Public Health Association] Press; 2000. ISBN 978-0-87553-189-2; Red Book: 2009 Report of the Committee on Infectious Diseases. 2009. American Academy of Pediatrics. 28th ed. ISBN 978-1-58110-306-9; Centers for Disease Control and Prevention. CDC Works 24/7 ...

  6. List of epidemics and pandemics - Wikipedia

    en.wikipedia.org/wiki/List_of_epidemics_and...

    Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered ...

  7. Disease outbreak - Wikipedia

    en.wikipedia.org/wiki/Disease_outbreak

    By convention, a communicable disease outbreak is declared over when a period of twice the incubation period of the infectious disease has elapsed without identification of any new case, however, for organisms with a short incubation period (e.g. fewer than ten days), a period of three times the incubation period is preferred. [11]

  8. List of notifiable diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_notifiable_diseases

    Disease Australia [1] Hong Kong [2] India [3] Malaysia [4] United Kingdom [5] United States [6] Amoebic dysentery: Yes Yes Babesiosis: Yes Cancer: Yes Coccidioidomycosis: Yes Creutzfeldt–Jakob disease (CJD) Yes Yes variant Creutzfeldt–Jakob disease (vCJD) Yes Cryptosporidiosis: Yes Yes Cyclosporiasis: Yes Dysentery: Yes Yes Fever syndromes ...

  9. Influenza - Wikipedia

    en.wikipedia.org/wiki/Influenza

    Influenza, commonly known as the flu, is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about two to eight days.