- vaccination on time
- 按时: on time; on schedule
- 预防: prevent; take precautions ag ...
- 接种: vaccinate; have an inoculati ...
- 预防接种: premunition; preservative inoculation; preventive inoculation; preventive vaccination; prophylactic inoculation; prophylactic vaccination; protective inoculation; protective vaccination; vaccinate; vaccinator; vaccinoprophylaxis
- 预防接种史: history of preventive inoculation; history of prophylactic inoculation
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