Do Disposable Masks Work

Wearing a regular disposable mask is more useful, the mask can prevent dust, highly toxic substances, oily particles and other substances from entering the human respiratory tract or inside the mouth, and can well reduce the infection of viruses or bacteria in medical treatment. But also to divide the specific situation, for the more infectious virus such as the current new coronavirus, although wearing disposable masks can reduce virus infection, but the virus can also be transmitted to each other through the conjunctiva, often contact a large number of strangers or medical staff working in hospitals, need to wear N95 masks and goggles, if necessary, also need to wear face shields. Ordinary people can wear masks when going out, and keep a distance of about 2m when communicating with each other, and do not get close to each other, which can basically prevent virus infection.