Perhaps the ingredients in vaccinations produce a delayed allergic response ?

也许疫苗中的某些成分导致了过敏反应时间延长？

Cdc officials are urging high-risk adults to get vaccinations against both pneumonia and h1n1 .

cdc的官员们正在敦促高危人群尽快接种能同时抵御肺炎和甲型h1n1流感的疫苗。

They 've traded livestock vaccinations for leopard protection , and insured farm animals against attacks .

他们用家畜疫苗换来对雪豹的保护，同时保证农场的动们物免受袭击。

Protect your cat with cat vaccinations .

保护您的猫与猫接种疫苗。

Management of medical records , chemical analysis and vaccinations .

医学健康记录、化学分析和免疫预防接种计划的管理。