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https://www.nature.com/articles/s41591-020-0843-2

Respiratory virus shedding in exhaled breath and efficacy of face masks

2020-04-03 00:00:00, China, Nature Medicine

Content Categorization
/Health/Health Conditions/Infectious Diseases

Word Count:
3603

Words/Sentence:
22

Reading Time:
36.03 min

Reading Quality:
Advanced

Readability:
16th or higher

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5 Efficacy of surgical face masks in reducing respiratory virus shedding in respiratory droplets and aerosols of symptomatic individuals with seasonal influenza viruses including (a) influenza A and (b) influenza B virus.

Statistical analysesThe primary outcome of the study was virus generation rate in tidal breathing of participants infected by different respiratory viruses and the efficacy of face masks in preventing virus dissemination in exhaled breath, separately considering the respiratory droplets and aerosols.

For respiratory droplets and aerosols, numbers of infected individuals who provided exhaled breath samples while not wearing or wearing a surgical face mask, respectively were: influenza A virus (n = 19 and 19), influenza B virus (n = 6 and 10).

Respiratory virus shedding in exhaled breath and efficacy of face masks.

Nat Med 26, 676-680 (2020). https://doi.org/10.1038/s41591-020-0843-2Download citationReceived: 02 March 2020Accepted: 20 March 2020Published: 03 April 2020Issue Date: May 2020DOI: https://doi.org/10.1038/s41591-020-0843-2

Here we aimed to explore the importance of respiratory droplet and aerosol routes of transmission with a particular focus on coronaviruses, influenza viruses and rhinoviruses, by quantifying the amount of respiratory virus in exhaled breath of participants with medically attended ARIs and determining the potential efficacy of surgical face masks to prevent respiratory virus transmission.

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