![Respiratory virus shedding in exhaled breath and efficacy of face masks]()
Respiratory virus shedding in exhaled breath and efficacy of face masksLeung, Nancy H. L.; Chu, Daniel K. W.; Shiu, Eunice Y. C.; Chan, Kwok-Hung; McDevitt, James J.; Hau, Benien J. P.; Yen, Hui-Ling; Li, Yuguo; Ip, Dennis K. M.; Peiris, J. S. Malik; Seto, Wing-Hong; Leung, Gabriel M.; Milton, Donald K.; Cowling, Benjamin J. · Nature Medicine · 2020