雖然個人仍相信當初P/M疫苗對delta virus還是有效用D, 但從未信過疫苗有效性能達80%--90%以上,這高得有點。。哈哈。
雖然個人仍相信當初P/M疫苗對delta virus還是有效用D, 但從未信過疫苗有效性能達80%--90%以上,這高得有點。。哈哈。
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