'Why are you wearing two masks?' Shifting advice on COVID-19 protection brings changes, confusion

Wearing a cloth mask over a surgical one can offer substantially better protection from potentially infectious aerosols, the CDC said in a new report.

'Why are you wearing two masks?' Shifting advice on COVID-19 protection brings changes, confusion

Wearing a cloth mask over a surgical one can offer substantially better protection from potentially infectious aerosols, the CDC said in a new report.