Universal Masking to Prevent SARS-CoV-2 Transmission—The Time Is Now | Infectious Diseases | JAMA | JAMA Network

Universal Masking to Prevent SARS-CoV-2 Transmission—The Time Is Now | Infectious Diseases | JAMA | JAMA Network: 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...