Vector (epidemiology)
Vector (epidemiology)
A vector in epidemiology is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another.
Pronunciation
The term is pronounced as /ˈvɛktər/.
Etymology
The term "vector" comes from the Latin vector, meaning "carrier". In the context of epidemiology, it was first used in the early 20th century to describe organisms that carry disease-causing pathogens.
Types of Vectors
Vectors can be any kind of living organism that can carry a disease-causing agent. The most common types of vectors are mosquitoes, ticks, and fleas. These organisms can carry bacteria, viruses, or other pathogens from one host to another.
Vector Control
Vector control is a significant element of public health interventions to limit vector-borne diseases. It can be achieved through methods such as insecticide spraying, use of insecticide-treated bed nets, and source reduction (eliminating vector breeding sites).
Related Terms
- Pathogen: A bacterium, virus, or other microorganism that can cause disease.
- Host (biology): An organism that harbors a parasitic, a mutualistic, or a commensalist guest (symbiont), typically providing nourishment and shelter.
- Vector-borne disease: A disease caused by pathogens that are transmitted by vectors.
See Also
External links
- Medical encyclopedia article on Vector (epidemiology)
- Wikipedia's article - Vector (epidemiology)
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