Community transmission
Community transmission
Community transmission (pronunciation: /kəˈmjuːnɪti trænsˈmɪʃən/) refers to the spread of a disease within a particular geographic area where the source of infection is not known. It is a term commonly used in epidemiology to describe the stage of an outbreak where the disease is circulating within a community and individuals are becoming infected through unknown sources.
Etymology
The term "community transmission" is derived from the English words "community" and "transmission". "Community" (from Latin communitas) refers to a group of people living in the same place or having a particular characteristic in common. "Transmission" (from Latin transmissio) refers to the act or process of transmitting something or the state of being transmitted.
Related Terms
- Epidemic: A widespread occurrence of an infectious disease in a community at a particular time.
- Pandemic: An epidemic of disease that has spread across a large region, for instance multiple continents, or worldwide.
- Endemic: The constant presence and/or usual prevalence of a disease or infectious agent in a population within a geographic area.
- Outbreak: A sudden increase in occurrences of a disease in a particular time and place.
- Infection: The process by which bacteria, viruses, or other microorganisms enter a body, often causing disease.
- Virus: A small infectious agent that replicates only inside the living cells of an organism.
- Disease: A particular abnormal condition that negatively affects the structure or function of all or part of an organism.
External links
- Medical encyclopedia article on Community transmission
- Wikipedia's article - Community transmission
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