Does Masking Matter? Cochrane Calls Masking Into Question
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In this Cochrane review, hand-hygiene programs reduce the incidence of clinical acute respiratory illness (ARI), while masking probably does not provide additional benefit.
Source
Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev. 2023 Jan 30;1(1):CD006207. doi: 10.1002/14651858.CD006207.pub6.