CoVid-19 can spread to other people that do not have symptoms and who do not know that they are infected. That's why it is important for everyone else to wear masks in public settings and practice social distancing. We should wear face mask especially when you leave your house to avoid the CoVid-19 virus if possible stay at home for our own safety. Masks will help prevent people who have CoVid-19 from transmitting the virus to others. Masks are most likely to reduce the spread of the dvirus when they are widely used by people in public settings. We should wear face mask to increase the cases of CoVid-19. But mask with valve or vents are not allowed because the virus can enter on the mask through this valve or vents.