Water utility workers from CEDAE disinfect in the Vidigal favela, which overlooks the oceanfront Leblon and Ipanema neighborhoods, in an effort to curb the spread of the new coronavirus, in Rio de Janeiro, Brazil, Friday, April 24, 2020. (AP Photo/Silvia Izquierdo)

Kendall Ballew an employee of the Anderson Mall cleans the doors before the mall opened to limited business on Friday, April 24, 2020 in Anderson, S.C. The mall opened to limited business after South Carolina Governor Henry McMaster eased restrictions due to coronavirus concerns. (AP Photo/Richard Shiro)

President Donald Trump speaks after signing a coronavirus aid package to direct funds to small businesses, hospitals, and testing, in the Oval Office of the White House, Friday, April 24, 2020, in Washington. (AP Photo/Evan Vucci)

A cat looks outside from a closed bar at the Kabukicho entertainment district in the Shinjuku Ward in Tokyo, Friday evening, April 24, 2020. Japan's Prime Minister Shinzo Abe expanded a state of emergency to all of Japan from just Tokyo and other urban areas as the virus continues to spread. (AP Photo/Eugene Hoshiko)

A lone traveller waits for the metro on a near-deserted platform in Amsterdam, Netherlands, Friday, April 24, 2020. The Dutch largely heed government guidelines to stay at home to curb the spread of the coronavirus. (AP Photo/Peter Dejong)

In this photo taken on Thursday April 23, 2020, women in traditional dress sing on their decorated balconies in the village of Mairena del Alcor, some 21 kilometres (13 miles) from Seville during the annual traditional April Fair celebrated across the southern Andulacia Provence. Without breaking the confinement rules and maintaining their distance from each other, the residents of the village have found a novel way of continuing the tradition of the fair which has been cancelled due to the Coronavirus outbreak and normally includes flamenco dancing, bullfighting, eating and drinking. (AP Photo/Miguel Morenatti)

FILE - In this Wednesday, Dec. 11, 2019 file photo, residents of the Malawi village of Tomali wait to have their young children become test subjects for the world's first vaccine against malaria in a pilot program. The World Health Organization is now warning that the battle against malaria in sub-Saharan Africa, where it routinely kills hundreds of thousands a year, could be set back 20 years as countries focus almost all their energy and resources on containing the coronavirus outbreak. "We must not turn back the clock,” Matshidiso Moeti, WHO regional director for Africa, said Thursday, April 23, 2020. (AP Photo/Jerome Delay, file)

Palestinian fighters from the Fatah movement, left, wearing masks to help curb the spread of the coronavirus, stand guard next to a Palestinian worker from UNRWA (United Nations Relief and works Agency), right, who is waiting to spray disinfectant at any car that need to enter inside Jalil, or Galilee refugee camp, in Baalbek, Lebanon, Friday, April 24, 2020. Authorities closed all entrances to a Palestinian refugee camp in eastern Lebanon Friday after four more people tested positive for the coronavirus, heightening concerns over the virus spreading among the population of overcrowded refugee camps and settlements. (AP Photo/Hussein Malla)

FILE - In this March 22, 2020, file photo, a municipal worker sanitizes the street of Dakar's popular Medina neighborhood after a bulldozer demolished informal shops in an effort to stop the spread of the coronavirus. Africa is bracing for a surge in coronavirus cases, but its countries are far behind in the global race for medical equipment that’s dangerously scarce. (AP Photo/Sylvain Cherkaoui, File)

Pitrik van der Lubbe waves from a crane to his 88-year-old father Henk, right, whom he has not seen in over 4 weeks at nursing home Hanepraij in Gouda, Netherlands, Friday, April 24, 2020. The crane was made available for free by a company to allow family members to see their loved ones in isolation because of the coronavirus. (AP Photo/Peter Dejong)