Kòngzhì méijièshēngwù shì yùfáng chuánrǎnbìng de guānjiàn.
Controlling vector organisms is key to preventing infectious diseases.
Tips
usage
媒介 means 'medium' or 'go-between' in general Chinese (cf. 媒介 = media). In epidemiology it has the narrow technical sense of 'vector' — the animal that carries a pathogen between hosts (mosquitoes, ticks, rats).
