South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde
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Evidence on mask use in the general population is needed to inform SARS-CoV-2 responses. ⋯ Direct evidence for cloth and medical mask efficacy and effectiveness in the community is limited. Decision-making for mask use may consider other factors such as feasibility and SARS-CoV-2 transmission dynamics; however, well-designed comparative effectiveness studies are required.