Israeli Professor Galia Rahavm the head of infectious diseases is pictured in one of the rooms where Israelis returning from China will stay under observation and isolation to control the spread of the “Corona” virues, at the Chaim Sheba Medical Center at Tel Hashomer in the city of Ramat Gan near Tel Aviv, on February 19, 2020. (Photo by Heidi Levine / various sources / AFP)