تصفح COVID-19 Research حسب المؤلف "Lin, Lifeng"
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Double-zero-event studies matter: A re-evaluation of physical distancing, face masks, and eye protection for preventing person-to-person transmission of COVID-19 and its policy impact
Mengli, Xiao; Lin, Lifeng; Hodges, James S.; Xu, Chang; Chu, Haitao ( Elsevier , 2021 , Other)In a recent timely systematic review, Chu et al. [1] assessed the effectiveness of face masks, eye protection, and physical distancing for preventing COVID-19. Because the sample sizes are not large, especially in some ... -
Methodological assessment of systematic reviews and meta-analyses on COVID-19: A meta-epidemiological study
Rosenberger, Kristine J.; Xu, Chang; Lin, Lifeng ( Wiley , 2021 , Article)Rationale, aims, and objectives: COVID-19 has caused an ongoing public health crisis. Many systematic reviews and meta-analyses have been performed to synthesize evidence for better understanding this new disease. However, ...