CATANIA, ITALY - MAY 22: The molecular biology laboratory of Cannizzaro Hospital where serological tests and blood tests are carried out to identify the Covid-19 virus on May 22, 2020 in Catania, Italy. Restaurants, bars, cafes, hairdressers and other shops have reopened, subject to social distancing measures, after more than two months of a nationwide lockdown meant to curb the spread of Covid-19. (Photo by Fabrizio Villa/Getty Images)