In medicine, infectious disease or communicable disease is disease caused by a biological agent such as by a virus, bacterium or parasite. This is contrasted to physical causes, such as burns or chemical ones such as through intoxication.

Basics

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Infectious diseases are the invasion of a host organism by a foreign replicator, generally microorganisms, often called microbes, that are invisible to the naked eye. Microbes that cause illness are also known as pathogens. The most common pathogens are various bacteria and viruses, though a number of other microorganisms, including some kinds of fungi and protozoa, also cause disease. Prions are borderline, and memes would not usually be considered in this scope. An infectious disease is termed contagious if it is easily transmitted from one person to another.

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Doing so could improve interventions to prevent and control the nation's leading chronic, infectious, environmental, occupational diseases.
reighsim (Reigh Sims) Wed, 04 Nov 2009 20:18:22 -0000
Doing so could improve interventions to prevent and control the nation's leading chronic, infectious, environmental, occupational diseases.
Emerging infectious diseases call for 'One Health' summit Nov. 17: http://bit.ly/3XNbOR via @addthis
TomPeddicord (Tom Peddicord) Wed, 04 Nov 2009 20:04:33 -0000
Emerging infectious diseases call for 'One Health' summit Nov. 17: http://bit.ly/3XNbOR via @addthis
[NIH] NIAID Announces New Human Immunology Research Awards to Help Fight Emerging Infectious Diseases : T.. http://bit.ly/4BRvGu
USGovNews (US Government News) Wed, 04 Nov 2009 20:00:38 -0000
[NIH] NIAID Announces New Human Immunology Research Awards to Help Fight Emerging Infectious Diseases : T.. http://bit.ly/4BRvGu
Photo: A baby receives vitamin droplets before being immunized for infectious diseases at a health center in... http://tumblr.com/xkx3us6gg
manilabuzz (manila buzz) Wed, 04 Nov 2009 19:12:31 -0000
Photo: A baby receives vitamin droplets before being immunized for infectious diseases at a health center in... http://tumblr.com/xkx3us6gg
International Medical Corps-Led Team Selected to Implement USAID Response to Emerging Infectious Diseases http://tinyurl.com/ydzzpqf
CUGHnews (CUGHnews) Wed, 04 Nov 2009 19:00:25 -0000
International Medical Corps-Led Team Selected to Implement USAID Response to Emerging Infectious Diseases http://tinyurl.com/ydzzpqf
I wonder what the Office of Infectious Diseases wants with me?
rafullerton (Rachel Fullerton) Wed, 04 Nov 2009 18:51:42 -0000
I wonder what the Office of Infectious Diseases wants with me?

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