VIRUS

“By ‘airborne’ we mean that the virus can be transmitted by inhalation of microscopic droplets generated from breathing, talking, singing, and not just from coughing and sneezing,” said Don Milton, professor of environmental health at the University of Maryland and one of the commentary’s authors. “This does not mean that the virus can spread as easily over long distances as do measles or tuberculosis. Most transmission happens in closed, indoor spaces where there is poor ventilation and crowding, and people