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ShareIn 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.
For more information about the topic Infectious disease, read the full article at Wikipedia.org, or see the following related articles:
Transmission (medicine) — In medicine, transmission is the passing of a disease from an infected individual or group to a previously uninfected individual or group. In order ... > read more
Pathogen — A pathogen or infectious agent is a biological agent that causes disease or illness to its host. The term is most often used for agents that disrupt ... > read more
Vector (biology) — Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Infectious disease at Wikipedia.org. See the Wikipedia copyright page for more details.
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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