Venetian artisan mask maker Gualtiero Dall'Osto works on a carnival costume hat made to resemble the COVID-19 virus in his laboratory in Venice, Italy, Saturday, Jan. 30, 2021. Last year, with fear over the new coronavirus mounting, authorities abruptly shut down Venice Carnival on its third day, just before Italy became the first country in the West facing a outbreak. (AP Photo/Antonio Calanni)