In this handout photo released by the Russian Defence Ministry, participant of a coronavirus vaccine trial leave the Burdenko Main Military Clinical Hospital in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2020#6290874
In this handout photo released by the Russian Defence Ministry, a medic examines a participant of a coronavirus vaccine trial before discharging him from the hospital, at the Burdenko Main Military Clinical Hospital in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2020#6290866
In this handout photo released by the Russian Defence Ministry, a medic examines a participant of a coronavirus vaccine trial before discharging him from the hospital, at the Burdenko Main Military Clinical Hospital in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2020#6290863
In this handout photo released by the Russian Defence Ministry, a medic examines a participant of a coronavirus vaccine trial before discharging him from the hospital, at the Burdenko Main Military Clinical Hospital in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2020#6290862
In this handout photo released by the Russian Defence Ministry, a medic examines a participant of a coronavirus vaccine trial before discharging him from the hospital, at the Burdenko Main Military Clinical Hospital in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2020#6290857
In this handout photo released by the Russian Defence Ministry, a medic examines a participant of a coronavirus vaccine trial before discharging him from the hospital, at the Burdenko Main Military Clinical Hospital in Moscow, Russia. Editorial use only, no archive, no commercial use.20.07.2020#6290849