tetano
Editor, Senior Moderator
Nat Med. 2020 Apr 3. doi: 10.1038/s41591-020-0843-2. [Epub ahead of print]
Respiratory virus shedding in exhaled breath and efficacy of face masks.
Leung NHL[SUP]1[/SUP], Chu DKW[SUP]1[/SUP], Shiu EYC[SUP]1[/SUP], Chan KH[SUP]2[/SUP], McDevitt JJ[SUP]3[/SUP], Hau BJP[SUP]1,[/SUP][SUP]4[/SUP], Yen HL[SUP]1[/SUP], Li Y[SUP]5[/SUP], Ip DKM[SUP]1[/SUP], Peiris JSM[SUP]1[/SUP], Seto WH[SUP]1,[/SUP][SUP]6[/SUP], Leung GM[SUP]1[/SUP], Milton DK[SUP]7[/SUP], Cowling BJ[SUP]8[/SUP].
Author information
Abstract
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.
PMID:32371934DOI:10.1038/s41591-020-0843-2
Respiratory virus shedding in exhaled breath and efficacy of face masks.
Leung NHL[SUP]1[/SUP], Chu DKW[SUP]1[/SUP], Shiu EYC[SUP]1[/SUP], Chan KH[SUP]2[/SUP], McDevitt JJ[SUP]3[/SUP], Hau BJP[SUP]1,[/SUP][SUP]4[/SUP], Yen HL[SUP]1[/SUP], Li Y[SUP]5[/SUP], Ip DKM[SUP]1[/SUP], Peiris JSM[SUP]1[/SUP], Seto WH[SUP]1,[/SUP][SUP]6[/SUP], Leung GM[SUP]1[/SUP], Milton DK[SUP]7[/SUP], Cowling BJ[SUP]8[/SUP].
Author information
Abstract
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.
PMID:32371934DOI:10.1038/s41591-020-0843-2