Vector-borne transmission of an infectious organism occurs via: Select one: A. direct contact. B. animals or insects. C. smoke or dust. D. inanimate objects.

B. animals or insects.

Explanation:

A vector (with respect to diseases) is an agent that transfers a pathogen from one source to another source e. g from person to person. Mosquitoes are an example of vectors, they transmit the malaria pathogen to human.

A vector can be inanimate, however, in epidemiology, vectors are defined as living organisms.