Cossack volunteers, wearing face masks to protect against coronavirus, patrol the Palace of Kuskovo museum-estate in Moscow, Russia, Wednesday, April 8, 2020. Russian president Vladimir Putin announced new measures to help businesses and people cope with economic shocks from the coronavirus outbreak. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (Kirill Zykov, Moscow News Agency photo via AP)