The study here[1] was inconclusive, but their limitations seemed pretty noteworthy: > Inconclusive results, missing data, variable adherence, patient-reported

The study here[1] was inconclusive, but their limitations seemed pretty noteworthy: > Inconclusive results, missing data, variable adherence, patient-reported findings on home tests, no blinding, and no assessment of whether masks could decrease disease transmission from mask wearers to others. I'm not sure what conclusions could be drawn from this study alone. [1] https://www.acpjournals.org/doi/10.7326/M20-6817 https://www.acpjournals.org/doi/10.7326/M20-6817