Dennis D'Urso, a resident ER doctor at Jackson Memorial Hospital, arrives at work for the start of his shift amid an outbreak of the coronavirus disease (COVID-19), in Miami, Florida, U.S. August 9, 2020. Picture taken August 9, 2020. REUTERS/Marco Bello

U.S. Secretary of State Mike Pompeo smiles as he arrives for a Czech senate meeting, at the start of a four-nation tour of Europe, in Prague, Czech Republic August 12, 2020. Petr David Josek/Pool via REUTERS

U.S. Secretary of State Mike Pompeo wears a star-spangled mask at a joint news conference with the Czech prime minister, at the start of a four-nation tour of Europe, in Prague, Czech Republic August 12, 2020. Petr David Josek/Pool via REUTERS

U.S. Secretary of State Mike Pompeo wears a star-spangled mask as he arrives for a joint news conference with the Czech prime minister, at the start of a four-nation tour of Europe, in Prague, Czech Republic August 12, 2020. Petr David Josek/Pool via REUTERS

U.S. Secretary of State Mike Pompeo addresses the media at a joint news conference with the Czech prime minister, at the start of a four-nation tour of Europe, in Prague, Czech Republic August 12, 2020. Petr David Josek/Pool via REUTERS

U.S. Secretary of State Mike Pompeo attends a roundtable discussion, at the start of a four-nation tour of Europe, in Prague, Czech Republic August 12, 2020. Petr David Josek/Pool via REUTERS

U.S. Secretary of State Mike Pompeo attends a roundtable discussion, at the start of a four-nation tour of Europe, in Prague, Czech Republic August 12, 2020. Petr David Josek/Pool via REUTERS

A man lights a fire to create a firebreak to stop the progress of a fire started by farmers clearing a tract of the Amazon jungle in Apui, Amazonas State, Brazil, August 11, 2020. REUTERS/Ueslei Marcelino

A man lights a fire to create a firebreak to stop the progress of a fire started by farmers clearing a tract of the Amazon jungle in Apui, Amazonas State, Brazil, August 11, 2020. REUTERS/Ueslei Marcelino

An employee wearing a face mask sweeps between sculptures at the Soumaya museum during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

Visitors walk among wax figures during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

A visitor wearing a face mask is pictured between wax figures during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

An employee cleans the handrail of a staircase over the wax figures of Catholic priest and leader of the Mexican War of Independence Miguel Hidalgo and Josefa Ortiz de Dominguez during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

A visitor poses for a photo with the wax figure of Albert Einstein during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

A visitor draws at the Soumaya museum during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

A visitor smiles next to the wax figure of basketball player LeBron James during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

A man wearing a face mask is pictured between wax figures during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

A visitor takes photos to the wax figure of Mahatma Gandhi during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

Visitors walk among wax figures during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, at the wax museum in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

Security guards keep watch at the Soumaya museum during the start of gradual reopening of commercial activities, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico, August 11, 2020. REUTERS/Edgard Garrido

Chairs are marked to space students who will use the venue as a classroom starting in August to prevent the spread of coronavirus disease (COVID-19) at Tulane University in New Orleans, Louisiana, U.S., June 21, 2020. Picture taken June 21, 2020. REUTERS/Catherine Koppel

Chairs are marked to space students who will use the venue as a classroom starting in August to prevent the spread of coronavirus disease (COVID-19) at Tulane University in New Orleans, Louisiana, U.S., June 21, 2020. Picture taken June 21, 2020. REUTERS/Catherine Koppel

Chairs are marked to space students who will use the venue as a classroom starting in August to prevent the spread of coronavirus disease (COVID-19) at Tulane University in New Orleans, Louisiana, U.S., June 21, 2020. Picture taken June 21, 2020. REUTERS/Catherine Koppel

A pupil wearing a face mask to prevent the spread of the coronavirus disease (COVID-19), sits before the start of the lessons during the first day of school after holidays, at Lycee National de Petion Ville, in Port au Prince, Haiti August 10, 2020. REUTERS/Andres Martinez Casares

A pupil wearing a face mask to prevent the spread of the coronavirus disease (COVID-19), reads as he sits at a schoolroom waiting for the start of the lessons during the first day of school after holidays, at Lycee National de Petion Ville, in Port au Prince, Haiti August 10, 2020. REUTERS/Andres Martinez Casares

A pupil wearing a face mask to prevent the spread of the coronavirus disease (COVID-19), waits outside a schoolroom for the start of the lessons during the first day of school after holidays, at Lycee National de Petion Ville, in Port au Prince, Haiti August 10, 2020. REUTERS/Andres Martinez Casares

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Mercedes' Valtteri Bottas leads at the start of the race Pool via REUTERS/Andrew Boyers

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 McLaren's Carlos Sainz Jr. in action at the start of the race Pool via REUTERS/Frank Augstein

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Mercedes' Valtteri Bottas leads at the start of the race Pool via REUTERS/Andrew Boyers

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Mercedes' Valtteri Bottas leads at the start of the race Pool via REUTERS/Andrew Boyers

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Mercedes' Valtteri Bottas leads at the start of the race Pool via REUTERS/Andrew Boyers

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Ferrari's Sebastian Vettel spins at the start of the race Pool via REUTERS/Andrew Boyers

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 General view at the start of the race Pool via REUTERS/Bryn Lennon

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Racing Point's Nico Hulkenberg in action at the start of the race Pool via REUTERS/Frank Augstein

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Mercedes' Valtteri Bottas leads at the start of the race Pool via REUTERS/Frank Augstein

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Mercedes' Valtteri Bottas leads at the start of the race Pool via REUTERS/Frank Augstein

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Racing Point's Nico Hulkenberg in action at the start of the race Pool via REUTERS/Frank Augstein

Formula One F1 - 70th Anniversary Grand Prix - Silverstone Circuit, Silverstone, Britain - August 9, 2020 Ferrari's Sebastian Vettel spins at the start of the race Pool via REUTERS/Frank Augstein

Athletics - German Athletics Championships - Eintracht-Stadion, Braunschweig, Germany - August 8, 2020 Germany's Lisa-Marie Kwayie with runners at the start of the women's 100m semi final, as athletics resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Annegret Hilse

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 7, 2020 England players walk out before the start of Pakistan's second innings, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

New York State Attorney General, Letitia James, removes her mask to start a news conference, to announce a suit to dissolve the National Rifle Association, In New York, U.S., August 6, 2020. REUTERS/Brendan McDermid

New York State Attorney General, Letitia James, removes her mask to start a news conference, to announce a suit to dissolve the National Rifle Association, In New York, U.S., August 6, 2020. REUTERS/Brendan McDermid

A Jordanian girl equips her safety gear before she starts throwing axe at a store, during the coronavirus disease (COVID-19) outbreak, in Amman, Jordan August 4, 2020. Picture taken August 4, 2020. REUTERS/Muhammad Hamed

People use their phones as they wait for the start of a promotion event by the QQ Music streaming service, following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, August 6, 2020. REUTERS/Thomas Peter

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England's Jofra Archer walks out with the players before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 General view of England players before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Dan Mullan/Pool via REUTERS

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England's Jofra Archer before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Dan Mullan/Pool via REUTERS

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England's Jofra Archer walks out with the players before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England players line up during a minute silence in tribute to victims of the coronavirus disease (COVID-19) before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 Pakistan's Azhar Ali reacts as he and England's Joe Root shake hands after the coin toss before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 Pakistan's Azhar Ali reacts as he and England's Joe Root shake hands after the coin toss before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 Pakistan's Azhar Ali reacts as he and England's Joe Root shake hands after the coin toss before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England's Ben Stokes during the warm up before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 Pakistan's Azhar Ali and England's Joe Root shake hands after the coin toss before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Dan Mullan/Pool via REUTERS

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 Pakistan's Azhar Ali and England's Joe Root during the coin toss before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Dan Mullan/Pool via REUTERS

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 Pakistan's Azhar Ali before the coin toss and the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Dan Mullan/Pool via REUTERS

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 General view of Pakistan players before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Dan Mullan/Pool via REUTERS

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England's Ben Stokes during the warm up before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England's Ben Stokes during the warm up before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool

Cricket - First Test - England v Pakistan - Emirates Old Trafford, Manchester, Britain - August 5, 2020 England's Ben Stokes during the warm up before the start of play, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Lee Smith/Pool