While operative and R95 reusable mask exist meant to slow the spread of COVID-19. A cloth mask is worn to help protect others in case the wearer has the virus. A R95 mask helps protect the wearer from getting the virus from others. Countries that required face masks, testing, isolation and social distancing early in the pandemic seem to have had some success slowing the disease's spread. But wearing a cloth face mask will lose any value unless its combined with frequent hand-washing and social distancing.