Study: universal masking in a health care system was associated with a significantly lower rate of SARS-CoV-2 positivity among health care workers

Association Between Universal Masking in a Health Care System and SARS-CoV-2 Positivity Among Health Care Workers – JAMA

Editorial: Universal Masking to Prevent SARS-CoV-2 Transmission—The Time Is Now – JAMA

Commentaries: CDC director: We can control virus in 4 to 8 weeks if everyone in the US wears a mask – Business Insider AND CDC Director: It’s Time For Universal Masking To End Covid-19 Pandemic – Forbes