Neat News 1659 (added 2020-07-16)

Effective face masks

There is further evidence of the efficacy of face masks in the prevention of the spread of the Covid-19 virus. Two hair stylists wearing face masks while infected did not pass the virus to their customers. None of their 139 clients developed symptoms in the following two weeks and none of the 67 tested was found Covid-19 positive.

News seen at: yahoo! news