TOKYO, JAPAN - MARCH 26: Commuters wearing face masks make their way to work on March 26, 2020 in Tokyo, Japan. Tokyo Governor Yuriko Koike held a press conference last night to request citizens to refrain from going outside this weekend for nonessential reasons after 41 cases of new coronavirus infections were confirmed yesterday. She warned that Tokyo, one of the largest and most densely populated cities on earth, could face a lockdown if there is a surge in new coronavirus cases. (Photo by Tomohiro Ohsumi/Getty Images)