Author: Leung, 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
Title: Respiratory virus shedding in exhaled breath and efficacy of face masks. Cord-id: g17lp8ch Document date: 2020_4_3
ID: g17lp8ch
Snippet: We identified seasonal human coronaviruses, influenza viruses and rhinoviruses in exhaled breath and coughs of children and adults with acute respiratory illness. Surgical face masks significantly reduced detection of influenza virus RNA in respiratory droplets and coronavirus RNA in aerosols, with a trend toward reduced detection of coronavirus RNA in respiratory droplets. Our results indicate that surgical face masks could prevent transmission of human coronaviruses and influenza viruses from
Document: We identified seasonal human coronaviruses, influenza viruses and rhinoviruses in exhaled breath and coughs of children and adults with acute respiratory illness. Surgical face masks significantly reduced detection of influenza virus RNA in respiratory droplets and coronavirus RNA in aerosols, with a trend toward reduced detection of coronavirus RNA in respiratory droplets. Our results indicate that surgical face masks could prevent transmission of human coronaviruses and influenza viruses from symptomatic individuals.
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