LOS ANGELES (CBSLA) — As COVID- 19 cases surge and as the highly contagious Omicron variant becomes more prevalent in Los Angeles County the great mask debate has sparked once again. "I've actually ...

While there is scientific consensus that wearing masks helps limit the spread of COVID-19, there are unanswered questions about which masks are most effective. Now, a group of scientists released a ...

To protect yourself from the Omicron COVID-19 variant, which is more than twice as contagious than the Delta variant, researchers, public-health experts, and infectious-disease doctors now suggest ...

In the race to stop the spread of COVID-19, a three-layer cloth mask that fits well can effectively filter COVID particles, says a group of UBC researchers. After testing several different mask styles ...