A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

Houston's Methodist Hospital is seen following its announcement to continue requiring its employees to be vaccinated against the coronavirus disease (COVID-19) after Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A healthcare workers administers a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A healthcare worker waits to administer vaccines for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A healthcare workers administers a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A healthcare worker prepares doses of the coronavirus disease (COVID-19) vaccine following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A healthcare worker prepares doses of the coronavirus disease (COVID-19) vaccine following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A healthcare worker prepares doses of the coronavirus disease (COVID-19) vaccine following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A person receives a vaccine for the coronavirus disease (COVID-19) following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

An anti-vaccine ad is displayed following Republican Governor Greg Abbott's ban on the coronavirus disease (COVID-19) vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

A healthcare worker waits to administer vaccines for the coronavirus disease (COVID-19) to people following Republican Governor Greg Abbott's ban on COVID-19 vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

An anti-vaccine ad is displayed following Republican Governor Greg Abbott’s ban on the coronavirus disease (COVID-19) vaccine mandates by any entity, including private employers, at Acres Home Multi-Service Center in Houston, Texas, U.S., October 13, 2021. REUTERS/Callaghan O'Hare

Visitors look at a private collection of Afghan artefacts at the Afghanistan Pavilion during the Dubai Expo 2020, in Dubai, United Arab Emirates, October 12, 2021. Picture taken October 12, 2021. REUTERS/Mohammed Salem

A visitor looks at a private collection of Afghan artefacts at the Afghanistan Pavilion during the Dubai Expo 2020, in Dubai, United Arab Emirates, October 12, 2021. Picture taken October 12, 2021. REUTERS/Mohammed Salem

Visitors look at a private collection of Afghan artefacts at the Afghanistan Pavilion during the Dubai Expo 2020, in Dubai, United Arab Emirates, October 12, 2021. Picture taken October 12, 2021. REUTERS/Mohammed Salem

A visitor looks at the accessories of a private collection of Afghan artefacts at the Afghanistan Pavilion during the Dubai Expo 2020, in Dubai, United Arab Emirates, October 12, 2021. Picture taken October 12, 2021. REUTERS/Mohammed Salem

A visitor walks through a private collection of Afghan artefacts at the Afghanistan Pavilion during the Dubai Expo 2020 in Dubai, United Arab Emirates, October 12, 2021. Picture taken October 12, 2021. REUTERS/Mohammed Salem

Visitors are shown looking at a private collection of Afghan artefacts at the Afghanistan Pavilion during the Dubai Expo 2020, in Dubai, United Arab Emirates, October 12, 2021. Picture taken October 12, 2021. REUTERS/Mohammed Salem

A visitor takes a photo of a private collection of Afghan artefacts at the Afghanistan Pavilion during the Dubai Expo 2020 in Dubai, United Arab Emirates, October 12, 2021. Picture taken October 12, 2021. REUTERS/Mohammed Salem

A demonstrator confronts the police during a strike against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Demonstrators take part in a protest against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Police officers stand guard as demonstrators hold a flag during a strike against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Tear gas is fired by the police to disperse demonstrators during a strike against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

A demonstrator kicks a tear gas cannister during a strike against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Police officers stand guard as demonstrators take part in a protest against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Police officers try to stop demonstrators as they take part in a protest against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Demonstrators take part in a protest against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Demonstrator scuffles with a person during a protest against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

Police officers stand guard as demonstrators take part in a protest against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Claudia Morales

A demonstrator argues with police officers during a strike against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Manuel Claure

A demonstrator argues with police officers during a strike against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Manuel Claure

Police officers stand guard as a demonstrator gestures during a strike against Bolivian President Luis Arce, after laws on private property and security draw the ire of critics saying the country is moving towards a Venezuela-style government, in La Paz, Bolivia October 11, 2021. REUTERS/Manuel Claure

Flames from a gas burner are reflected on a cooker in a private home in Bad Honnef near Bonn, Germany, October 11, 2021. REUTERS/Wolfgang Rattay

Flames from a gas burner are reflected on a cooker in a private home in Bad Honnef near Bonn, Germany, October 11, 2021. REUTERS/Wolfgang Rattay

A private security member sits with a gun while children play at a camp for the internally displaced due to the fighting between the Ethiopian National Defense Force (ENDF) and the Tigray People's Liberation Front (TPLF) forces in Dessie town, Amhara Region, Ethiopia, October 8, 2021. Picture taken October 8, 2021. REUTERS/Tiksa Negeri

A private security member sits with a gun while children play at a camp for the internally displaced due to the fighting between the Ethiopian National Defense Force (ENDF) and the Tigray People's Liberation Front (TPLF) forces in Dessie town, Amhara Region, Ethiopia, October 8, 2021. Picture taken October 8, 2021. REUTERS/Tiksa Negeri

A vehicle with relatives of victims found in a clandestine mass grave discovered in the house of a former policeman in Chalchuapa, leaves the institute of forensic sciences, after the remains of 12 of the victims were handed over to their relatives in a private ceremony, in San Salvador, El Salvador October 7, 2021. REUTERS/Jose Cabezas

A vehicle with relatives of victims found in a clandestine mass grave discovered in the house of a former policeman in Chalchuapa, leaves the institute of forensic sciences, after the remains of 12 of the victims were handed over to their relatives in a private ceremony, in San Salvador, El Salvador October 7, 2021. REUTERS/Jose Cabezas

A vehicle with relatives of victims found in a clandestine mass grave discovered in the house of a former policeman in Chalchuapa, leaves the institute of forensic sciences, after the remains of 12 of the victims were handed over to their relatives in a private ceremony, in San Salvador, El Salvador October 7, 2021. REUTERS/Jose Cabezas

Private equity firm founder John Wilson (C), who is charged with participating in a scheme to pay bribes to fraudulently secure the admission of his children to top schools, arrives at federal court where closing arguments are scheduled in the first trial to result from the U.S. college admissions scandal known as "Varsity Blues", in Boston, Massachusetts, U.S., October 6, 2021. REUTERS/Brian Snyder

Private equity firm founder John Wilson (C), who is charged with participating in a scheme to pay bribes to fraudulently secure the admission of his children to top schools, arrives at federal court where closing arguments are scheduled in the first trial to result from the U.S. college admissions scandal known as "Varsity Blues" in Boston, Massachusetts, U.S., October 6, 2021. REUTERS/Brian Snyder

Private equity firm founder John Wilson, who is charged with participating in a scheme to pay bribes to fraudulently secure the admission of his children to top schools, arrives at federal court where closing arguments are scheduled in the first trial to result from the U.S. college admissions scandal known as "Varsity Blues" in Boston, Massachusetts, U.S., October 6, 2021. REUTERS/Brian Snyder

Laura Janke, who worked at the University of Southern California as a women's soccer coach, arrives with her lawyer, Stephen Huggard, to testify in federal court in the trial of former Wynn Resorts Ltd executive Gamal Aziz and private equity firm founder John Wilson in Boston, Massachusetts, U.S., September 24, 2021. REUTERS/Faith Ninivaggi

Laura Janke, who worked at the University of Southern California as a women's soccer coach, arrives with her lawyer, Stephen Huggard, to testify in federal court in the trial of former Wynn Resorts Ltd executive Gamal Aziz and private equity firm founder John Wilson in Boston, Massachusetts, U.S., September 24, 2021. REUTERS/Faith Ninivaggi

Laura Janke, who worked at the University of Southern California as a women's soccer coach, arrives to testify in federal court in the trial of former Wynn Resorts Ltd executive Gamal Aziz and private equity firm founder John Wilson in Boston, Massachusetts, U.S., September 24, 2021. REUTERS/Faith Ninivaggi

A private security employee stands guard as a police car patrols, during the inauguration of a closed-type migrant camp on the island of Samos, Greece, September 18, 2021. REUTERS/Alkis Konstantinidis

A private security employee stands guard during the inauguration of a closed-type migrant camp on the island of Samos, Greece, September 18, 2021. REUTERS/Alkis Konstantinidis

A private security employee stands guard inside a newly inaugurated closed-type migrant camp on the island of Samos, Greece, September 18, 2021. REUTERS/Alkis Konstantinidis

A private security employee stands guard during the inauguration of a closed-type migrant camp on the island of Samos, Greece, September 18, 2021. REUTERS/Alkis Konstantinidis

A private security employee stands guard as a police car patrols during the inauguration of a closed-type migrant camp on the island of Samos, Greece, September 18, 2021. REUTERS/Alkis Konstantinidis

A private security employee stands guard during the inauguration of a closed-type migrant camp on the island of Samos, Greece, September 18, 2021. REUTERS/Alkis Konstantinidis

Private equity firm founder John Wilson, who is charged with participating in a scheme to pay bribes to fraudulently secure the admission of his children to top schools, arrives at federal court as a defendant in the first trial to result from the U.S. college admissions scandal, in Boston, Massachusetts, U.S., September 17, 2021. REUTERS/Brian Snyder

Private equity firm founder John Wilson, who is charged with participating in a scheme to pay bribes to fraudulently secure the admission of his children to top schools, arrives at federal court as a defendant in the first trial to result from the U.S. college admissions scandal, in Boston, Massachusetts, U.S., September 14, 2021. REUTERS/Brian Snyder

A private security guard stands in front of the COVID-19 Impftram vaccination tram during a media presentation in Zurich, Switzerland September 14, 2021. REUTERS/Arnd Wiegmann