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Influenza is usually transmissible from one day before the onset of symptoms to 5–7 days after. [11] In healthy adults, the virus is shed for up to 3–5 days. In children and the immunocompromised, the virus may be transmissible for several weeks. [10] Children ages 2–17 are considered to be the primary and most efficient spreaders of ...
1–5.4% of global population [4] 1918–1920 Worldwide 2 Plague of Justinian: Bubonic plague 15–100 million 25–60% of European population [5] 541–549 North Africa, Europe, and Western Asia 3 HIV/AIDS pandemic: HIV/AIDS: 44 million (as of 2025) [a] 1981–present [6] Worldwide 1 Black Death: Bubonic plague: 75-200 Miliion
An infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. [1] An infectious disease, also known as a transmissible disease or communicable disease, is an illness resulting from an infection.
Infectious diseases (ID), also known as infectiology, is a medical specialty dealing with the diagnosis and treatment of infections. An infectious diseases specialist's practice consists of managing nosocomial (healthcare-acquired) infections or community-acquired infections. [1]
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [1]
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 December 2024. Condition negatively affecting an organism For other uses, see Disease (disambiguation). "Maladies" redirects here. For the 2012 film, see Maladies (film). "Malady" redirects here. For the American politician, see Regis Malady. "Ailment" redirects here. Not to be confused with Aliment ...
After introducing medically assisted treatment in 2013, Seppala saw Hazelden’s dropout rate for opiate addicts in the new revamped program drop dramatically. Current data, which covers between January 1, 2013 and July 1, 2014, shows a dropout rate of 7.5 percent compared with the rate of 22 percent for the opioid addicts not in the program.
October 5, 1998 March 31, 2002 Julie Gerberding: June 3, 2002 January 20, 2009 Thomas R. Frieden [48] June 8, 2009 January 20, 2017 Anne Schuchat (acting) [55] January 20, 2017 July 7, 2017 Brenda Fitzgerald [56] July 7, 2017 January 31, 2018 Anne Schuchat (acting) January 31, 2018 March 26, 2018 Robert R. Redfield [57] March 26, 2018 January ...