Standing 3 steps apart on escalator lowers COVID risk: research

Standing three steps apart on an escalator significantly reduces the risk of COVID-19 infection while it is safer to descend than ascend one, recent research by a team involving the Kyoto Institute of Technology showed.The team lined up 10 maskless men, each 175 centimeters tall, on an escalator and computed the dispersion of droplets assuming that the man at the front coughed. The traced droplets measured less than 1.5 millimeters.The research showed that on a descending escalator, the droplets were quickly blown upward and traveled over the heads of the others.But on an ascending one, the…READ FULL ARTICLE