兩針Pfizer疫苗達到全免疫之後,對Delta變異的保護率仍然達到88%,而AstraZeneca疫苗,也能能達到60%。
不是我們無能,而是共軍太狡猾。
兩針Pfizer疫苗達到全免疫之後,對Delta變異的保護率仍然達到88%,而AstraZeneca疫苗,也能能達到60%。
不是我們無能,而是共軍太狡猾。
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