On Monday, the Los Angeles County Department of Public Health advised all residents to wear masks while ... estimate that Delta is 60% more transmissible than the Alpha variant from the United ...

Face masks are once again in the spotlight ... than previous coronavirus forms including Delta, many people are wondering if their mask is up to the task of protecting them. Do you need to upgrade ...

The World Health Organization suggested that fully vaccinated people still wear face masks ... Delta variant. The most recent evidence shows the Delta variant is about 60% more contagious than the ...