Association between Self-reported Masking Behavior and SARS-CoV-2 Infection Wanes from Pre-Delta to Omicron-Predominant Periods — North Carolina COVID-19 Community Research Partnership
Abstract
We assessed the association between self-reported mask use during non-household interactions and COVID-19 infection during three pandemic periods. Odds of infection for those who did not always compared to those who always wore a mask was 66% higher during pre-Delta, 53% higher during Delta, declining to 16% higher during Omicron.
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