Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MA, USA.
Nat Med. 2021 Dec;27(12):2078-2079. doi: 10.1038/s41591-021-01585-2.
In shaping school-related policy for the COVID-19 pandemic, a useful body of evidence can only be built if we ask the right questions regarding appropriate causal contrasts in relevant settings
在制定与 COVID-19 大流行相关的学校政策时,如果我们针对相关环境下适当的因果对比提出正确的问题,才能构建有用的证据体系。