2020-03-06 18:53:10 A catchy dance about protecting yourself against the coronavirus is spreading. A Vietnamese dancer choreographed the dance moves to go with a song, part of a public service announcement released by the Vietnam National Institute of Occupation and Environmental Health. It urges people to wash hands and “rub, rub, rub evenly,” and to not touch their eyes, nose and mouth. It also encourages people to limit visits to crowded places.