Face masks to prevent transmission of COVID-19: A systematic review and meta-analysis

American Journal of Infection Control
July 2021 Volume 49 Issue 7 p857-972
http://www.ajicjournal.org/current

 

Face masks to prevent transmission of COVID-19: A systematic review and meta-analysis
Yanni Li, Mingming Liang, Liang Gao,…Ce Cheng, Qin Zhou, Chenyu Sun
Published online: December 18, 2020
p900-906