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the degree or extent of pathogenicity of an organsim, may affect portal of entry and number of organisms.
Doesn't cause disease in healthy individuals, under certain conditions can cause disease. Exs: yeast infection - Candida albicans.
When normal microbes benefit the host by preventing the overgrowth of harmful microbes.
symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed
A relationship between two organisms of different species where one benefits and the other is harmed
any disease that can be spread spread from one host to another directly or indirectly.
any disease in which a pathogen remains inactive for a long period of time before becoming active. EX. cold sore.
when many people in a given area acquire a certain disease in a relatively short period of time
an infection that does not cause a noticeable illness; also called "Inapparent Infection"
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