vaccination; inoculation; immunization; immunisation
defensive perimeter; defence line; defense line; precaution; safeguard; safety measure
preventive measure; precautionary measure
prophylactic (drug); preventive medicine
preventive medicine; prophylactic
immunization; immunisation; shots; inoculation; preventive injection
infection prevention; disease control
preventive detention; preventive custody
preventive attack; preemptive strike
preventive care, esp. for senior citizens
precautionary principle; precautionary approach
preventive measure; precautionary measure; precaution
Pollution-Related Health Damage Compensation and Prevention Association
National Institute of Health (former)
National Institute of Health (former)
Chinese Center for Disease Control and Prevention; CCDC