Cossacks wearing protective masks, used as a preventive measure against the coronavirus disease (COVID-19), surround a man lying on the pavement as they patrol streets and squares in Moscow, Russia on April 7, 2020. (Photo by Sergei Vedyashkin/Moscow News Agency/Handout via Reuters)





A flower shop employee cuts up unsold flowers in St. Petersburg, Russia, Monday, April 13, 2020. The flowers were destroyed after flower shops in St. Petersburg were closed according to the order of the city authorities to close non-grocery stores to limit people shopping due to the spread of coronavirus. (Photo by Dmitri Lovetsky/AP Photo)





Ambulances are parked at a retirement home after a fire, in Moscow, Russia, Thursday, April 9, 2020. A fire in a retirement home in Moscow killed at least four people and injured more then ten others, but firefighters managed to rescue 50 people from the burning building, emergency officials said Thursday. (Photo by Kirill Voronin, Moscow News Agency Photo via AP Photo)





A person walks amidst trees near the construction site of new apartment blocks, as the spread of the coronavirus disease (COVID-19) continues, in Saint Petersburg, Russia on April 8, 2020. (Photo by Anton Vaganov/Reuters)





People wearing face masks to protect against coronavirus, ride a suburban train near Moscow, Russia, Thursday, April 16, 2020. Russian President Vladimir Putin has ordered most Russians to stay off work until the end of April as part of a partial economic shutdown to stymie the spread of the coronavirus. (Photo by Victor Berezkin/AP Photo)





In this photo taken on late Tuesday, April 14, 2020, a man shows the electronic passes with a QR-code displayed on smartphone screen as he rides Moscow Metro (subway) in Moscow, Russia. All Moscow residents who use public or private phones are required to obtain electronic passes starting Wednesday. Russian President Vladimir Putin has ordered most Russians to stay off work until the end of April as part of a partial economic shutdown to prevent the spread of the coronavirus. (Photo by Moscow News Agency Photo via AP Photo)





Believers with willow twigs seen ahead of an evening liturgy at St Vladimir's Cathedral on the eve of Orthodox Palm Sunday in Sochi, Russia on April 11, 2020. The Russian Orthodox Church celebrates feast days according to the Julian calendar. (Photo by Dmitry Feoktistov/TASS)





A police officer gives instructions to pedestrians, after the city authorities announced a partial lockdown ordering residents to stay at home to prevent the spread of coronavirus disease (COVID-19), during snowfall in Red Square in central Moscow, Russia on March 31, 2020. (Photo by Maxim Shemetov/Reuters)





T-34 battle tanks (front) involved in a rehearsal of a military parade to be held on May 9 and mark the 75th anniversary of the victory in World War II in Yekaterinburg, Russia on April 14, 2020. (Photo by Donat Sorokin/TASS)





A Russian serviceman wearing a protective mask looks out of a military vehicle during a rehearsal for the Victory Day parade, amid the coronavirus disease (COVID-19) outbreak, in Yekaterinburg, Russia on April 14, 2020. (Photo by Alexei Kolchin/Reuters)





Boys watch Msta-S self-propelled howitzers passing by during a rehearsal of a military parade to be held on May 9 and mark the 75th anniversary of the victory in World War II in Yekaterinburg, Russia on April 14, 2020. (Photo by Donat Sorokin/TASS)





A woman walks through an almost empty pedestrian street in Moscow, Russia, Tuesday, April 14, 2020. Russian President Vladimir Putin has ordered most Russians to stay off work until the end of April as part of a partial economic shutdown to stymie the spread of the coronavirus. (Photo by Alexander Zemlianichenko/AP Photo)





Russian Orthodox Church Patriarch Kirill conducts the church's main service celebrating Orthodox Easter at the Christ the Savior Cathedral in Moscow, Russia, early Sunday, April 19, 2020. Orthodox priests in much of Europe held Easter services in churches empty of parishioners because of restrictions imposed to help block the spread of coronavirus. (Photo by Oleg Varov, Russian Orthodox Church Press Service via AP Photo)





Municipal vehicles spray disinfectant on the deserted streets of central Moscow, on April 12, 2020 during a strict lockdown in Russia to stop the spread of the COVID-19, caused by the novel coronavirus. (Photo by Yuri Kadobnov/AFP Photo)





Founder of Saperavi Cafe restaurant Khatuna Kolbaya packs meals prepared for elderly people who are banned from leaving their homes because of the coronavirus disease (COVID-19) outbreak, in Moscow, Russia on April 14, 2020. (Photo by Maxim Shemetov/Reuters)





Specialists wearing protective gear enter a terminal building before sanitizing Platov International Airport amid the coronavirus disease (COVID-19) outbreak near Rostov-on-Don, Russia on April 15, 2020. (Photo by Sergey Pivovarov/Reuters)





Passengers of an Aeroflot charter flight for Russian evacuees from Phuket arrive at Sheremetyevo International Airport in Moscow Region, Russia on April 11, 2020. On March 27, the Russian government ordered an international flight ban amid the ongoing COVID-19 pandemic, with the exception of charter flights to evacuate Russian citizens from abroad. (Photo by Sergei Bobylev/TASS)





Yandex.Eda food delivery service employees by Barrikadnaya Station of the Moscow Metro in Moscow, Russia on April 12, 2020. Russian President Vladimir Putin has expanded non-working period till April 30, 2020 to prevent the spread of the novel coronavirus. (Photo by Sergei Savostyanov/TASS via Getty Images)





A man plays with his dogs on a street in central Moscow on April 13, 2020 during a strict lockdown in Russia to stop the spread of the COVID-19, caused by the novel coronavirus. President Vladimir Putin on April 13, 2020, warned officials to brace for “extraordinary” scenarios in the coronavirus pandemic as Moscow tightened its lockdown measures and Russia reported its highest daily infection figures yet. (Photo by Dimitar Dilkoff/AFP Photo)





Russian law enforcement officers wearing raincoats and protective masks patrol the streets amid the coronavirus disease (COVID-19) outbreak in Moscow, Russia on April 14, 2020. (Photo by Sofya Sandurskaya/Moscow News Agency/Handout via Reuters)





A fashion shop employee, wearing face mask, transparent face shield and medical protective gloves to protect from coronavirus, prepares to put on a mannequin standing in a showcase in Moscow, Russia, Tuesday, April 14, 2020. Russian President Vladimir Putin has ordered most Russians to stay off work until the end of April as part of a partial economic shutdown to stymie the spread of the coronavirus. (Photo by Alexander Zemlianichenko/AP Photo)