The Latest in COVID-19 News: Week Ending Aug. 22

By the Editors

This week, a study found that household exposure to SARS-CoV-2 seems to confer the greatest risk for transmission, while exposure on public transportation may confer the least. In another study, adding face shields to surgical masks protected community health workers from infection, while nearly 20% became infected when wearing masks alone. Elsewhere, research indicated that SARS-CoV-2 is unlikely to be transmitted via breast milk. Catch up on these and all of our COVID-19 stories from the past week at the links below.