Universal masking to prevent SARS-CoV-2 transmission—the time is now

JT Brooks, JC Butler, RR Redfield - Jama, 2020 - jamanetwork.com
In this issue of JAMA, Wang et al present evidence that universal masking of health care
workers (HCWs) and patients can help reduce transmission of severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) infections. 1 In the largest health care system in
Massachusetts with more than 75 000 employees, in tandem with routine symptom
screening and diagnostic testing of symptomatic HCWs for SARS-CoV-2 infection,
leadership mandated a policy of universal masking for all HCWs as well as for all patients …