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Infection is also the title of an episode of the television series Babylon 5 An infection is the detrimental colonization of a host organism by a foreign species. An infection is, in effect, a war in which the infecting organism seeks to utilize the host's resources in order to multiply at the expense of the host. The infecting organism, or pathogen, interferes with the normal functioning and perhaps the survival of the host. Colloquially, a pathogen is usually considered a microscopic organism though the definition is broader, including bacteria, parasites, fungi, viruses, prions, and viroids. The branch of medicine that focuses on infections and pathogens is Infectious Disease... |
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