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. 2021 Nov 2;73(9):1693-1695.
doi: 10.1093/cid/ciab218.

Transmission of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) From Asymptomatic and Presymptomatic Individuals in Healthcare Settings Despite Medical Masks and Eye Protection

Michael Klompas  1   2 , Meghan A Baker  1   2 , Diane Griesbach  2 , Robert Tucker  2 , Glen R Gallagher  3 , Andrew S Lang  3 , Timelia Fink  3 , Melissa Cumming  3 , Sandra Smole  3 , Lawrence C Madoff  3 , Chanu Rhee  1   2
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Transmission of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) From Asymptomatic and Presymptomatic Individuals in Healthcare Settings Despite Medical Masks and Eye Protection

Michael Klompas et al. Clin Infect Dis. .

Abstract

We describe 3 instances of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission despite medical masks and eye protection, including transmission despite the source person being masked, transmission despite the exposed person being masked, and transmission despite both parties being masked. Whole genome sequencing confirmed perfect homology between source and exposed persons' viruses in all cases.

Keywords: SARS-CoV-2; infection control; masking; viral transmission.

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