preventive measure; precautionary measure
① 感染症を予防するために免疫をつける目的でワクチンを投与すること。
defensive perimeter; defence line; defense line; precaution; safeguard; safety measure
preventive medicine; prophylactic
immunization; immunisation; shots; inoculation; preventive injection
infection prevention; disease control
preventive care, esp. for senior citizens
precautionary principle; precautionary approach