@Saikmedi @greg_travis @BillHanage This was done here, which looked at a vast range of factors pre-vaccine. Mitigation policies remained as a very significant influence. (Of course, mitigation policies extend beyond masking.)
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@Saikmedi @greg_travis @BillHanage 这是在这里完成的，它研究了疫苗接种前的大量因素。缓解政策仍然具有非常重要的影响。 （当然，缓解策略超出了屏蔽范围。）
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