FILED - 07 July 2020, Egypt, Giza: Medics wearing personal protective equipment tend to a coronavirus (COVID-19) patient at the 6th of October Central Hospital, which is currently serves as an isolation hospital for coronavirus patients. The Egyptian Health Ministry reported Friday another drop in the number of COVID-19 linked deaths. Photo: Menna Hossam/dpa

6286704 15.07.2020 In this handout photo released by the Russian Defence Ministry, a medic collects blood for antibodies to the coronavirus disease from a participant in a coronavirus vaccine trial during tests at the Burdenko Main Military Clinical Hospital in Moscow, Russia. Editorial use only, no archive, no commercial use. Ministry press service оброны Russian Federation

6273379 25.06.2020 A medical worker helps a colleague to put on a personal protective equipment (PPE) at the Clinical Infectious Hospital named after I.Zhekenova where patients suffering from the coronavirus disease are treated, in Almaty, Kazakhstan. Timur Batyrshin / Sputnik