MILAN, ITALY – FEBRUARY 25: Two passengers wear protective masks as they travel on a train from Rome to Milan on February 25, 2020 in Milan, Italy.
BALTIMORE, MARYLAND – APRIL 09: A lone passenger sleeps in an otherwise empty Amtrak car as the train pulls into Penn Station on April 9, 2020 in Baltimore, Maryland. Amtrak and commuter trains have cut daily routes amid the coronavirus pandemic. MANILA, PHILIPPINES – MAY 18: A policeman wearing a protective suit checks the temperature of a motorist at a quarantine checkpoint, after the government relaxed lockdown measures and allowed work to resume in more industries, on May 18, 2020 in Marikina, Metro Manila, Philippines. The Philippine government began easing quarantine measures in many areas of the country, but has extended the lockdowns in Manila and a few other cities until May 31.
SAN DIEGO, CA – MAY 20: Passengers onboard an American Airlines flight to Charlotte, NC at San Diego International Airport on May 20, 2020 in San Diego, California. Air travel is down as estimated 94 percent due to the coronavirus pandemic, causing U.S. airlines to take a major financial hit with losses of $350 million to $400 million a day and nearly half of major carriers airplanes are sitting idle.
Passengers wearing protective masks ride the subway in New York, U.S., on Wednesday, June 10, 2020. New York streets got a little more congested this week as the city entered Phase 1 of its re-opening from the coronavirus-imposed lockdown. Photographer: Jeenah Moon/Bloomberg via Getty Images