Wearing a mask helps block airborne droplets from the cough or sneeze of an infected person. That said, you need to aware that a mask is not perfect and you sho

Wearing a mask helps block airborne droplets from the cough or sneeze of an infected person. That said, you need to aware that a mask is not perfect and you should still stay at least 6 feet away from other people. You also need to fit the mask properly and should avoid frequently adjusting the mask and touching your face with unwashed hands.