Coronavirus: Face masks DO NOT prevent infection, WHO says

The WHO was forced to review new evidence from Hong Kong claiming mass-issuing the masks may have helped contain the pandemic. But the health body maintains masks can't prevent infection.

Coronavirus: Face masks DO NOT prevent infection, WHO says
The WHO was forced to review new evidence from Hong Kong claiming mass-issuing the masks may have helped contain the pandemic. But the health body maintains masks can't prevent infection.