A group of girls with one wearing a protective facemask walk in downtown Kiev on March 11, 2020. - Ukrainian authorities announced on March 11 they were closing schools and universities across the country for three weeks to prevent the spread of the novel coronavirus. The Ukrainian government said in a statement it was also banning all mass events in the country with more than 200 expected participants. The measures will take effect from March 12. (Photo by Sergei SUPINSKY / AFP)