智利公布的数据,预防新冠感染有效率:科兴50%,辉瑞81%,阿斯利康66%,康希诺50%。 两针科兴之后打第三针打科兴有效率71%,改打阿斯利康有效率91%,改打辉瑞有效率93%。
Chile Study Shows Mixing Covid-19 Vaccine Boosters Highly Effective - CodeBlue
A third dose with Pfizer or AstraZeneca for those who received two Sinovac shots showed efficacy above 90 per cent in preventing Covid-19 infection, symptomatic disease, and hospital and ICU admission.
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