The graves of those that have died during the previous weeks are seen at the Vila Formosa cemetery, during the new coronavirus pandemic in Sao Paulo, Brazil, Thursday, April 30, 2020. (AP Photo/Andre Penner)

A pedestrian waits in silhouette for a Chicago Transit Authority bus as several COVID-19 public service messages are projected on screens at the bus stop Thursday, April 30, 2020, in Chicago. (AP Photo/Charles Rex Arbogast)

A medical worker takes a nasal swab of a Kashmiri boy at a red zone area in Srinagar, Indian controlled Kashmir, Thursday, April 30, 2020. India says it has achieved tremendous gains and improvement in curbing the coronavirus infections through a stringent lockdown imposed across the country five weeks ago. The government recently allowed reopening of neighborhood shops in cities and towns and resumption of manufacturing and farming activity in rural India to help millions of poor people who lost work. (AP Photo/Mukhtar Khan)

Family members watch as the body of Carmen Valeria, 76, who they suspect died from COVID-19, is placed in a niche by cemetery workers at the Iraja cemetery in Rio de Janeiro, Brazil, Thursday, April 30, 2020. (AP Photo/Silvia Izquierdo)

A woman sits on a bench at Earl's Court underground station, wearing a mask as the lockdown due to the coronavirus outbreak continues, in London, Thursday, April 30, 2020. (AP Photo/Alberto Pezzali)

A city worker measures the temperature of a man before entering the Apumanque shopping center in Las Condes neighborhood, in Santiago, Chile, Thursday, April, 30, 2020. As Chilean authorities look to ease COVID-19 related quarantine measures, the well-known shopping mall in the upscale neighborhood opened to the public for the first time on Thursday since lockdown began over one month ago. (AP Photo/Esteban Felix)

A woman sits with his soon in a boulevard in Barcelona, Spain, Thursday, April 30, 2020, as the lockdown to combat the spread of coronavirus continues. (AP Photo/Emilio Morenatti)

A man and a woman walks near a train station in Tokyo Thursday, April 30, 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)

Christopher Ikemire prepares to test a customer at the Eastern Star Church, Thursday, April 30, 2020, in Indianapolis. Indianapolis city, health and faith leaders set-up the new COVID-19 testing site in the city's most vulnerable neighborhoods. 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/Darron Cummings)

Healthcare workers protest what they say are unsafe working conditions and demand OSHA to intervene outside of MountainView hospital Thursday, April 30, 2020, in Las Vegas. (AP Photo/John Locher)

Heath officials check the listings of people who are to be tested for COVID-19 as well as HIV and Tuberculosis, in downtown Johannesburg Thursday, April 30, 2020. Thousands are being tested in an effort to derail the spread of coronavirus. South Africa will began a phased easing of its strict lockdown measures on May 1, although its confirmed cases of coronavirus continue to increase. (AP Photo/Jerome Delay)

A social worker holds the hand of a passenger found sleeping on a subway car as NYPD officers clear the trains and direct riders to the exits at the 207th Street A-train station, Thursday, April 30, 2020, in the Manhattan borough of New York. (AP Photo/John Minchillo)

An emergency worker wearing a face mask transports an elderly patient to an ambulance at the 12 Octubre hospital in Madrid, Spain, Spain, Thursday April 30, 2020 as the lockdown to combat the spread of coronavirus continues. (AP Photo/Manu Fernandez)

Members of a youth group in Star Wars costumes entertain locals along a road in Malabon, Metro Manila, Philippines, Thursday, April 30, 2020. The youth group walks along streets to give residents some form of entertainment as they endure the continued community quarantine and to remind them to stay at home to prevent the spread of the new coronavirus. (AP Photo/Aaron Favila)

Residents, wearing protective face masks to help curb the spread of the new coronavirus, gather outside a shop in the Villa 31 slum during a government-ordered shutdown, in Buenos Aires, Argentina, Thursday, April 30, 2020. According to official data, the number of confirmed cases of COVID-19 in the city's slum have increased in the past week, putting authorities on high alert. (AP Photo/Natacha Pisarenko)