NEW YORK -- You better start stocking up on your surgical or N95 or KN95 masks. Studies are emerging that cloth masks are not as effective in preventing the spread of COVID. A study released in ...

The U.S. Centers for Disease Control and Prevention (CDC) updated its mask-wearing advice over the weekend to clarify that some masks are more effective at preventing the spread of COVID than others ...

More data and public health experts say the quality of face masks can vary widely. That’s being emphasized now as the omicron variant has been found to be significantly more transmissible than ...

Add Yahoo as a preferred source to see more of our stories on Google. While there are still many uncertainties surrounding the COVID-19 pandemic, there is one thing that remains indisputable: Masks ...