Robert Redfield, director of the Centers for Disease Control and Prevention (CDC), Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, and Admiral Brett Giroir, U.S. assistant secretary for health, swear in to a House Select Subcommittee on the Coronavirus Crisis hearing in Washington, D.C., U.S., July 31, 2020. Erin Scott/Pool via REUTERS

Robert Redfield, director of the Centers for Disease Control and Prevention (CDC), from right, Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, and Admiral Brett Giroir, U.S. assistant secretary for health, swear in to a House Select Subcommittee on the Coronavirus Crisis hearing in Washington, D.C., U.S., July 31, 2020. Erin Scott/Pool via REUTERS

A U.S. immigration officer administers the oath to Palestinian Omar Abdalla during a swearing-in of newly naturalized United States citizens in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administers the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administers the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administers the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administers the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administers the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administers the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administer helps organize arriving vehicles during a swearing-in of newly naturalized United States citizens in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

U.S. immigration officers administer the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administer helps organize arriving vehicles during a swearing-in of newly naturalized United States citizens in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

U.S. immigration officers administer the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake TPX IMAGES OF THE DAY

U.S. immigration officers administer the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A U.S. immigration officer administer helps organize arriving vehicles during a swearing-in of newly naturalized United States citizens in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

U.S. immigration officers administer the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

U.S. immigration officers administer the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

U.S. immigration officers administer the oath as a swearing-in of newly naturalized United States citizens takes place in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

A women holds a flag as a U.S. immigration officer administer the oath during a swearing-in of newly naturalized United States citizens in an empty parking lot during the outbreak of the coronavirus disease (COVID-19) in Santa Ana, California, U.S., July 29, 2020. REUTERS/Mike Blake

U.S. Speaker of the House Nancy Pelosi (D-CA) holds a swearing-in ceremony for Congressman-elect Chris Jacobs (R-N.Y.) beside his wife Martina and their daughter, Anna, on Capitol Hill in Washington, U.S. July 21, 2020. REUTERS/Tom Brenner

U.S. Speaker of the House Nancy Pelosi (D-CA) holds a swearing-in ceremony for Congressman-elect Chris Jacobs (R-N.Y.) beside his wife Martina, their daughter, Anna, and her grandmother, Pamela Jacobs, on Capitol Hill in Washington, U.S. July 21, 2020. REUTERS/Tom Brenner

Suriname's outgoing President Desi Bouterse attends the swear-in ceremony for new President Chan Santokhi, in Paramaribo, Suriname July 16, 2020. REUTERS/Ranu Abhelakh

U.S. Admiral Brett P. Giroir, Assistant Secretary for Health, swears in before testifying during a House Oversight and Reform Committee hearing on "The Administration's Efforts to Procure, Stockpile, and Distribute Critical Supplies" in the Capitol in Washington, U.S., July 2, 2020. Caroline Brehman/Pool via REUTERS

U.S. Admiral Brett P. Giroir, Assistant Secretary for Health, talks with Rear Adm. John Polowczyk, leader of the Supply Chain Stabilization Task Force and vice director of logistics of the Joint Chiefs of Staff, swear in before testifying during a House Oversight and Reform Committee hearing on "The Administration's Efforts to Procure, Stockpile, and Distribute Critical Supplies" in the Capitol in Washington, U.S., July 2, 2020. Caroline Brehman/Pool via REUTERS

Mark Morgan, Chief Operating Officer and Senior Official Performing the Duties of the Commissioner, U.S. Customs and Border Protection, U.S. Department of Homeland Security, swears in at the Senate Homeland Security and Governmental Affairs Committee hearing to examine Customs and Border Protection, focusing on evolving challenges facing the agency, in Dirksen Senate Office Building on Capitol Hill, in Washington, U.S. June 25, 2020. Tom Williams/Pool via REUTERS

Mark Morgan, Chief Operating Officer and Senior Official Performing the Duties of the Commissioner, U.S. Customs and Border Protection, U.S. Department of Homeland Security, swears in at the Senate Homeland Security and Governmental Affairs Committee hearing to examine Customs and Border Protection, focusing on evolving challenges facing the agency, in Dirksen Senate Office Building on Capitol Hill, in Washington, U.S. June 25, 2020. Tom Williams/Pool via REUTERS

Michael B. Mukasey, Former Attorney General, U.S. Department of Justice, Donald Ayer, Adjunct Professor Georgetown University Law Center and Former Deputy Attorney and John W. Elias, Trial Attorney, Antitrust Division, U.S. Department of Justice, swear in at the U.S. House Judiciary Committee about political influence on law enforcement activity, including one who worked on Special Counsel Robert Mueller's Russia probe, in Washington, U.S. June 24, 2020. Anna Moneymaker/Pool via REUTERS

Michael B. Mukasey, Former Attorney General, U.S. Department of Justice, Donald Ayer, Adjunct Professor Georgetown University Law Center and Former Deputy Attorney and John W. Elias, Trial Attorney, Antitrust Division, U.S. Department of Justice, swear in at the U.S. House Judiciary Committee about political influence on law enforcement activity, including one who worked on Special Counsel Robert Mueller's Russia probe, in Washington, U.S. June 24, 2020. Anna Moneymaker/Pool via REUTERS

Michael B. Mukasey, Former Attorney General, U.S. Department of Justice, Donald Ayer, Adjunct Professor Georgetown University Law Center and Former Deputy Attorney and John W. Elias, Trial Attorney, Antitrust Division, U.S. Department of Justice, swear in at the U.S. House Judiciary Committee about political influence on law enforcement activity, including one who worked on Special Counsel Robert Mueller's Russia probe, in Washington, U.S. June 24, 2020. Anna Moneymaker/Pool via REUTERS

Gladys Maria Gutierrez Alvarado, new rector of Venezuela's National Electoral Council reacts during conversation with Indira Alfonzo Izaguirre, new President of Venezuela's National Electoral Council after a swearing-in ceremony at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. Picture taken June 12, 2020. REUTERS/Manaure Quintero

Maikel Moreno, President of Venezuela's Supreme Court and Gladys Maria Gutierrez Alvarado, new rector of Venezuela's National Electoral Council chat after a swearing-in a ceremony for the new leaders of the Venezuela's National Electoral Council in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Rafael Simon Jimenez talks to the media after swearing-in as Vice-President of Venezuela's National Electoral Council in a ceremony at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Tania D'Amelio Cardiet claps hands after swearing-in as rector of Venezuela's National Electoral Council in a ceremony at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Jose Luis Gutierrez Parra takes notes after swearing-in as rector of Venezuela's National Electoral Council in a ceremony at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Indira Alfonzo Izaguirre talks after swearing-in as President of Venezuela's National Electoral Council in a ceremony at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Gladys Maria Gutierrez Alvarado looks on during her swearing-in ceremony as rector of Venezuela's National Electoral Council at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Venezuela's National Electoral Council new authorities Indira Maira Alfonzo Izaguirre, Rafael Simon Jimenez Melean, Tania D'Amelio Cardiet, Gladys Maria Gutierrez Alvarado and Jose Luis Gutierrez Parra swear-in during a ceremony at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Venezuela's National Electoral Council new authorities Indira Maira Alfonzo Izaguirre, Tania D'Amelio Cardiet, Gladys Maria Gutierrez Alvarado and Jose Luis Gutierrez Parra swear-in during a ceremony at Venezuela's Supreme Court in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Maikel Moreno, President of Venezuela's Supreme Court takes part in the swear-in ceremony for the new leaders of Venezuela's National Electoral Council in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Maikel Moreno, President of Venezuela's Supreme Court takes part in the swear-in ceremony for the new leaders of Venezuela's National Electoral Council in Caracas, Venezuela June 12, 2020. REUTERS/Manaure Quintero

Speaker of the House Nancy Pelosi puts on her face mask to protect from the coronavirus disease (COVID-19) after taking part in a ceremonial swearing-in for Rep. Mike Garcia (R-CA) in Washington, U.S., May 19, 2020. REUTERS/Kevin Lamarque

Speaker of the House Nancy Pelosi wears a face mask to protect from the coronavirus disease (COVID-19) during a ceremonial swearing-in for Rep. Tom Tiffany (R-WI) in Washington, U.S., May 19, 2020. REUTERS/Kevin Lamarque

Speaker of the House Nancy Pelosi holds a ceremonial swearing-in for Rep. Mike Garcia (R-CA) in Washington, U.S., May 19, 2020. REUTERS/Kevin Lamarque

Speaker of the House Nancy Pelosi wears a face mask to protect from the coronavirus disease (COVID-19) during a ceremonial swearing-in for Rep. Tom Tiffany (R-WI) in Washington, U.S., May 19, 2020. REUTERS/Kevin Lamarque

Speaker of the House Nancy Pelosi wears a face mask to protect from the coronavirus disease (COVID-19) during a ceremonial swearing-in for Rep. Tom Tiffany (R-WI) in Washington, U.S., May 19, 2020. REUTERS/Kevin Lamarque

Speaker of the House Nancy Pelosi puts on her face mask to protect from the coronavirus disease (COVID-19) after taking part in a ceremonial swearing-in for Rep. Mike Garcia (R-CA) in Washington, U.S., May 19, 2020. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Speaker of the House Nancy Pelosi wears a face mask to protect from the coronavirus disease (COVID-19) during a ceremonial swearing-in for Rep. Tom Tiffany (R-WI) in Washington, U.S., May 19, 2020. REUTERS/Kevin Lamarque

Sara Netanyahu, the wife of Israeli prime minister, wears a protective face mask on her way to the swearing-in ceremony of a new unity government in the Knesset (Israel's parliament) in Jerusalem May 17, 2020. Alex Kolomoisky/Pool via REUTERS

Blue and White party leader Benny Gantz wears a protective face mask on his way to the swearing-in ceremony of a new unity government in the Knesset (Israel's parliament) in Jerusalem May 17, 2020. Alex Kolomoisky/Pool via REUTERS

Blue and White party leader Benny Gantz wears a protective face mask on his way to the swearing-in ceremony of a new unity government in the Knesset (Israel's parliament) in Jerusalem May 17, 2020. Alex Kolomoisky/Pool via REUTERS

Israel's Prime Minister Benjamin Netanyahu wears a protective face mask on his way to the swearing-in ceremony of a new unity government in the Knesset (Israel's parliament) in Jerusalem May 17, 2020. Alex Kolomoisky/Pool via REUTERS

Representatives of the Munich city council meet in the German Theatre for the swearing-in ceremony in order to be able to keep the distance regulations, as the spread of the coronavirus disease (COVID-19) continues in Munich, Germany, May 4, 2020. REUTERS/Andreas Gebert

Representatives of the Munich city council meet in the German Theatre for the swearing-in ceremony in order to be able to keep the distance regulations, as the spread of the coronavirus disease (COVID-19) continues in Munich, Germany, May 4, 2020. REUTERS/Andreas Gebert

Lord Mayor Dieter Reiter stands at the speaker's desk as representatives of the city council meet in the German Theatre for the swearing-in ceremony, in order to be able to keep the distance regulations, as the spread of the coronavirus disease (COVID-19) continues in Munich, Germany, May 4, 2020. REUTERS/Andreas Gebert

Brazil's President Jair Bolsonaro smiles after a swearing in ceremony of the new Justice Minister Andre Luiz de Almeida Mendonca, amid the coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil, April 29, 2020. REUTERS/Ueslei Marcelino

Brazil's Environment Minister Ricardo Salles gestures during a swearing in ceremony of the new Justice Minister Andre Luiz de Almeida Mendonca, amid the coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil, April 29, 2020. REUTERS/Ueslei Marcelino

Brazil's new Justice Minister Andre Luiz de Almeida Mendonca greets Brazil's President Jair Bolsonaro near President of Brazil's Supreme Federal Court Dias Toffoli during his swearing in ceremony at the Planalto Palace, amid the coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil, April 29, 2020. REUTERS/Ueslei Marcelino

Brazil's President Jair Bolsonaro gestures during a swearing in ceremony of the new Justice Minister Andre Luiz de Almeida Mendonca, amid the coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil, April 29, 2020. REUTERS/Ueslei Marcelino

Brazil's new Justice Minister Andre Luiz de Almeida Mendonca gestures during his swearing in ceremony at the Planalto Palace, amid the coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil, April 29, 2020. REUTERS/Ueslei Marcelino