Frankfurt/Mai: Lufthansa passenger planes are parked on the closed runway northwest of Frankfurt Airport in Frankfurt, Germany, Thursday, March 26, 2020. Lufthansa parked jets not needed during the coronavirus crisis there. 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. AP/PTI(AP26-03-2020_000246B)