Vector

Definition

In biology, a vector refers to an organism that does not cause disease itself but spreads infection by conveying pathogens from one host to another.

Related terms

Plasmid:

A small, circular piece of DNA found in bacteria that can act as a vector in genetic engineering.

Carrier: An organism that harbors a pathogen without suffering disease symptoms, similar to a vector.

Epidemiology: The study of how diseases spread, often involving vectors.