The Centers for Disease Control and Prevention recommends keeping a distance of six feet from other people to minimize the possibility of infection. This is part of why it’s so important that they have proper protective equipment. But the techniques health care workers use to care for sick people can generate high levels of aerosols. The virus does not linger in the air at high enough levels to be a risk to most people. you are inhaling what they are breathing out, including any virus in their breath,” he said. “If you can smell what someone had for lunch - garlic, curry, etc.
Julian Tang, a virologist and a professor at the University of Leicester in England who is researching the coronavirus with Professor Kwok, agreed.
Professor Kwok said talking face-to-face or sharing a meal with someone could pose a risk. Some experts believe that sneezing and coughing are most likely the primary forms of transmission. To gain access to your cells, the viral droplets must enter through the eyes, the nose or the mouth. When the virus becomes suspended in droplets smaller than five micrometers - known as aerosols - it can stay suspended for about a half-hour, research suggests. If they don’t hit something along the way, they typically land on the floor or the ground. These mucus and saliva droplets are ejected from the mouth or the nose as we cough, sneeze, laugh, sing, breathe and talk.
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