Countries start thinking about easing up on restrictions

President Donald Trump speaks about the coronavirus in the James Brady Press Briefing Room of the White House, Wednesday, April 8, 2020, in Washington. (AP Photo/Alex Brandon)

A health worker wearing personal protective gear inside a testing tent, gestures colleagues during the screening and testing for COVID-19, in Lenasia, south of Johannesburg, South Africa, Wednesday, April 8, 2020. South Africa and more than half of Africa’s 54 countries have imposed lockdowns, curfews, travel bans or other restrictions to try to contain the spread of COVID-19. 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 Photo/Themba Hadebe)

A man with protective mask rides an empty train Wednesday, April 8, 2020, in Tokyo. Japanese Prime Minister Shinzo Abe declared a state of emergency yesterday for Tokyo and six other prefectures to ramp up defenses against the spread of the coronavirus. (AP Photo/Eugene Hoshiko)

An Indian health worker checks the temperature of a man during lockdown to prevent the spread of new coronavirus in Ahmedabad, India, Wednesday, April 8, 2020. 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 Photo/Ajit Solanki)

A video screen displays a message urging people to stay home, at Piccadilly Circus in London, Wednesday, April 8, 2020. The highly contagious COVID-19 coronavirus has impacted on nations around the globe, many imposing self isolation and exercising social distancing when people move from their homes. (AP Photo/Matt Dunham)

A man wears a protective mask while waiting for a bus in Detroit, Wednesday, April 8, 2020. Detroit buses will have surgical masks available to riders starting Wednesday, a new precaution the city is taking from the new coronavirus COVID-19. (AP Photo/Paul Sancya)

NEW YORK — Even as coronavirus deaths mount throughout Europe and New York, the U.S. and other countries are starting to contemplate an exit strategy and thinking about a staggered and carefully calibrated easing of the restrictions designed to curb the scourge.