Maurice Cooley is wheeled out of SSM Health St. Mary's Hospital to the cheers and applause of nurses in Richmond Heights, Mo. on Sunday, April 19, 2020. Cooley is the 100th COVID-19 patient discharged from the hospital since the start of the coronavirus epidemic. (David Carson/St. Louis Post-Dispatch via AP)

A mother and her child are reflected as they pass a mural by artist FAKE, titled "Super Nurse", paying tribute to all healthcare and medical professionals in times of the coronavirus, in Amsterdam, Netherlands, Sunday, April 19, 2020. (AP Photo/Peter Dejong)

A pedestrian and cyclist pass a closed business with a mural that says "Stay Apart" on the boarded up windows in downtown Vancouver, British Columbia, Sunday, April 19, 2020. (Darryl Dyck/The Canadian Press via AP)

President Donald Trump, left, hands a swab that could be used in coronavirus testing to Vice President Mike Pence during a coronavirus task force briefing at the White House, Sunday, April 19, 2020, in Washington. (AP Photo/Patrick Semansky)

San Francisco Police officers watch as people begin to leave Dolores Park in San Francisco, Sunday, April 19, 2020. San Francisco Police and Park Rangers had ordered people who weren't walking dogs, exercising or maintaing social distance to leave the park over COVID-19 concerns. (AP Photo/Jeff Chiu)

In this April 16, 2020 photo, funeral workers in protective gear prepare the grave of a woman who is suspected to have died of COVID-19 disease, at the Nossa Senhora Aparecida cemetery, in Manaus, Amazonas state, Brazil. Gravediggers buried 60 people that day, about triple the pre-virus average, according to a cemetery official. (AP Photo/Edmar Barros)

A driver displays an alternate opinion as she passes protesters demonstrating at the Tennessee state capitol to speak out against the state's handling of the COVID-19 outbreak Sunday, April 19, 2020, in Nashville, Tenn. Tennessee is under a stay-at-home order due to the coronavirus outbreak except for essential personnel. (AP Photo/Mark Humphrey)

People relax on the sand at Hueneme Beach at Port Hueneme, Calif., on Sunday, April, 19, 2020, after it reopened with restrictions following a closure due to the coronavirus pandemic. It was among beaches and parks that became available to the public in Ventura County, northwest of Los Angeles. Parking was limited to reduce attendance and facilities such as the pier, picnic tables and other developed sites remained off limits. (AP Photo/John Antczak)

Vice President Mike Pence, right, listens as President Donald Trump speaks during a coronavirus task force briefing at the White House, Sunday, April 19, 2020, in Washington. (AP Photo/Patrick Semansky)

Demonstrators disregard social distancing guidelines as they crowd together at a protest opposing Washington state's stay-home order to slow the coronavirus outbreak Sunday, April 19, 2020, in Olympia, Wash. Washington Gov. Jay Inslee has blasted President Donald Trump's calls to "liberate" parts of the country from stay-at-home and other orders that are designed to combat the spread of the coronavirus. Inslee says that Trump is fomenting a potentially deadly "insubordination" among his followers before the pandemic is contained. (AP Photo/Elaine Thompson)

Devotees wearing masks pray on the street in the Petare neighborhood, one of the poorest slums in Caracas, Venezuela, Sunday, April 19, 2020, during a government-imposed quarantine to help stop the spread of the new coronavirus. (AP Photo/Matias Delacroix)

People attend evening prayers while maintaining a level of social distancing to help avoid the spread of the coronavirus, at a mosque in Karachi, Pakistan, Sunday, April 19, 2020. Pakistan Prime Minister Imran Khan's government bowed to demands by religious leaders and agreed to keep mosques open during the Islamic fasting month of Ramadan. (AP Photo/Fareed Khan)

Justin Young carries an assault rifle as he walks past a demonstrator calling for the opening of churches at a protest opposing Washington state's stay-home order to slow the coronavirus outbreak Sunday, April 19, 2020, in Olympia, Wash. Washington Gov. Jay Inslee has blasted President Donald Trump's calls to "liberate" parts of the country from stay-at-home and other orders that are designed to combat the spread of the coronavirus. Inslee says that Trump is fomenting a potentially deadly "insubordination" among his followers before the pandemic is contained. (AP Photo/Elaine Thompson)

A woman wearing a face mask walks past artwork of author and illustrator Roger Hargreaves' 'Little Miss Sunshine' character wearing a face mask, painted on the outside of a boarded up business in downtown Vancouver, on Sunday, April 19, 2020. (Darryl Dyck/The Canadian Press via AP)