Mandatory masking in schools reduced COVID-19 cases during Delta surge
On Mar. 10, 2022, schools with mandatory masking during the Delta surge had approximately 72% fewer cases of…
On Mar. 10, 2022, schools with mandatory masking during the Delta surge had approximately 72% fewer cases of…
On Mar. 16, 2021, research from the World Health Organization (WHO) and partners showed that the COVID-19 pandemic…
On Mar. 10, 2021, the U.S. Department of Defense (DOD) announced that it had identified additional personnel authorized…
On Mar. 20, 2020, 3M announced it had doubled its global output of N95 respirators to an annual…
On Mar. 17, 2020, the virus that causes coronavirus disease 2019 (COVID-19) was stable for several hours to…