โ™ป๏ธap environmental science review

Vector

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

An organism or agent that transmits a pathogen from one host to another, such as mosquitoes or other insects.

AP course connection

Topic 8.15: 8.15 Pathogens and Infectious Diseases

Unit 8