这里也早就说了,年龄(demographics中一个因素)和基础病(Comorbidity),得OMICRON, 重症和死亡比例还是相当高。对这类人群,打不打疫苗,就是个安慰。
这里也早就说了,年龄(demographics中一个因素)和基础病(Comorbidity),得OMICRON, 重症和死亡比例还是相当高。对这类人群,打不打疫苗,就是个安慰。
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