преносител означава в английски

carrier [carriers]▼(person or organism that has inherited a trait or disease but displays no symptoms)
noun
[UK: ˈkæ.rɪə(r)] [US: ˈkæ.riər]

vector [vectors]▼(carrier of a disease-causing agent)
noun
[UK: ˈvek.tə(r)] [US: ˈvek.tər]