vaccinated, fully vaccinated 和 unvaccinated进行比较。澳洲更直接,按vaccinated和unvaccinated比较。
有专家说只打了一针的最危险,美国可能认为只打一针的没什么用,只认fully vaccinated才是有疫苗保护的,所以breakthrough case专指fully vaccinated后被病毒感染的。
vaccinated, fully vaccinated 和 unvaccinated进行比较。澳洲更直接,按vaccinated和unvaccinated比较。
有专家说只打了一针的最危险,美国可能认为只打一针的没什么用,只认fully vaccinated才是有疫苗保护的,所以breakthrough case专指fully vaccinated后被病毒感染的。
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