Home » National Institutes Of Health » NIH » Science and Research » COVID-19 and face masks COVID-19 and face masks March 6, 2021 Medline-NIH Off National Institutes Of Health, NIH, Science and Research 000000000000Source: Medical EncyclopediaRelated MedlinePlus Pages: COVID-19 (Coronavirus Disease 2019) Read Original Article: COVID-19 and face masks » Previous: COVID-19 symptoms Next: Treatments Your Healthcare Provider Might Recommend if You Are Sick About The Author Medline-NIH