عالم فيروسات: أول مصاب بمتحور كورونا الجديد في أوروبا عاد من بلد عربي

Passengers wear face masks as they queue at Tocumen International Airport in Panama City on October 12, 2020, as Panama resumed its international flight operations seven months after suspending flights due to the COVID-19 novel coronavirus pandemic. (Photo by STR / AFP) (Photo by STR/AFP via Getty Images)