A worker cuts grass beside a Fairfax County school bus at a depot, a day after it was announced the county would begin the school year all online, in Lorton, Virginia, U.S., July 22, 2020. REUTERS/Kevin Lamarque

A Fairfax County school bus sits in a depot, a day after it was announced the county would begin the school year all online, in Lorton, Virginia, U.S., July 22, 2020. REUTERS/Kevin Lamarque

Nirma Bagri and her daughter Naina, 11, (furthest right), both Hindu refugees from Pakistan who live in a Hindu refugee settlement situated amongst a woodland area near Signature Bridge, a highway overpass, ride a crowded bus as they travel to Naina's school, in New Delhi, India, February 19, 2020. "At least here our daughters are safe and we can freely practice our religion," said Bagri. REUTERS/Anushree Fadnavis SEARCH "HINDU REFUGEE CITIZENSHIP" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Students wearing masks are pictured on a bus during their commute to school amid the coronavirus disease (COVID-19) outbreak in Singapore June 3, 2020. REUTERS/Edgar Su

A health worker checks the temperature of teachers as they sit in a government chartered bus bringing people back to schools of countryside towns, which are scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra

Teachers and their children wait to board a government chartered bus bringing people back to schools of countryside towns, which are scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra TPX IMAGES OF THE DAY

Teachers sit in a government chartered bus bringing people back to schools of countryside towns, which are scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra

A health worker checks the temperature of a teacher as she is seen inside a government chartered bus bringing people back to schools of countryside towns, which are scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra

A health worker makes her way through teachers belongings after she took their temperature as they sit in a government chartered bus bringing people back to schools of countryside towns, which are scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra

A health worker checks the temperature of teachers as they sit in a government chartered bus, to go back to schools of countryside towns, which are scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra

A health worker makes her way through teachers belongings after she took their temperature while they sit in a government chartered bus, to go back to schools of countryside towns, scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra

A health worker checks the temperature of a teacher's son while sitting in a government chartered bus, to go back to schools of countryside towns, scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 28, 2020. REUTERS/Zohra Bensemra

A teacher boards a government chartered bus, to go back to schools of countryside towns, scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 27, 2020. REUTERS/Zohra Bensemra

A teacher talks to a bus driver while waiting with her colleagues to board a government chartered buses, to go back to schools of countryside towns, scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 27, 2020. REUTERS/Zohra Bensemra

A boy looks out of a bus window as teachers prepare to board government chartered buses to go back to schools of countryside towns, scheduled to reopen next week, amid travel bans between regions due to the coronavirus disease (COVID-19) outbreak, in Dakar, Senegal May 27, 2020. REUTERS/Zohra Bensemra TPX IMAGES OF THE DAY

People wait to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. Picture taken May 19, 2020. REUTERS/Luc Gnago

A health worker takes the temperature of a student as she boards a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. Picture taken May 19, 2020. REUTERS/Luc Gnago

People wait to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. Picture taken May 19, 2020. REUTERS/Luc Gnago

A health worker puts hydroalcoholic gel on the hands of a pupil as she boards a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. Picture taken May 19, 2020. REUTERS/Luc Gnago

Pupils sit inside a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

Pupils wait to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

People wait to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

Pupils wearing protective face masks sit as they wait to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

Pupils wait to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

Students sit as they wait to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

A student waits to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

A health worker takes the temperature of a girl in a government chartered bus, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

A student waits to board a government chartered bus convoy, which will take students and teachers back to cities and schools of the countryside, as the lockdown due to the coronavirus disease (COVID-19) is eased, in Abidjan, Ivory Coast May 19, 2020. REUTERS/Luc Gnago

A school bus retrofitted with a basketball hoop is pictured during the outbreak of the coronavirus disease (COVID-19), in Venice, California, U.S., May 13, 2020. REUTERS/Mario Anzuoni

A school bus arrives carrying one student as schools outside the greater Montreal region begin to reopen their doors amid the coronavirus disease (COVID-19) outbreak, in Saint-Jean-sur-Richelieu, Quebec, Canada May 11, 2020. REUTERS/Christinne Muschi

A school bus arrives as schools outside the greater Montreal region begin to reopen their doors amid the coronavirus disease (COVID-19) outbreak, in Saint-Jean-sur-Richelieu, Quebec, Canada May 11, 2020. REUTERS/Christinne Muschi

A school bus is parked at the proposed site of Alphabet's Sidewalk Labs "smart city", after the company announced it has pulled out of its project due to economic uncertainty in Toronto, Ontario, Canada May 7, 2020. REUTERS/Chris Helgren

School buses are seen parked at First Student Charter Bus Rental as the spread of coronavirus disease (COVID-19) continues in San Francisco, California, U.S. April 7, 2020. REUTERS/Stephen Lam

School buses are seen parked at First Student Charter Bus Rental as the spread of coronavirus disease (COVID-19) continues in San Francisco, California, U.S. April 7, 2020. REUTERS/Stephen Lam

A student from the public school stands at a bus stop as he carries bags of food, as part of a project of the Belo Horizonte City Hall to attend poor people, amid the coronavirus disease (COVID-19) outbreak, in Belo Horizonte, Brazil March 31, 2020. REUTERS/Washington Alves

School buses wait to be shipped at the IC of Oklahoma Tulsa Bus Plant in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CLARIFYING CAPTION

School buses wait to be shipped at the IC of Oklahoma Tulsa Bus Plant in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CLARIFYING CAPTION

School buses wait to be shipped at the IC of Oklahoma Tulsa Bus Plant in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CLARIFYING CAPTION

School buses wait to be shipped at the IC of Oklahoma Tulsa Bus Plant in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CLARIFYING CAPTION

School buses wait to be shipped at the IC of Oklahoma Tulsa Bus Plant in Tulsa, Oklahoma, U.S. March 23, 2020. REUTERS/Nick Oxford REFILE - CLARIFYING CAPTION

Delilah Vanderpool and Zoe Vanderpool, their grandmother, Wendy Jarrells and her sister, Victoria Jarrells, pose for a portrait holding sack lunches at a stop on a school bus route converted to a meal delivery route for the Marysville School District, as schools close during the coronavirus disease (COVID-19) outbreak, on the Tulalip Indian Reservation in Tulalip, Washington, U.S. March 23, 2020. REUTERS/David Ryder

Christine Twiss delivers sack lunches to Marsha Spencer on a school bus route converted to a meal delivery route for the Marysville School District, as schools close during the coronavirus disease (COVID-19) outbreak, on the Tulalip Indian Reservation in Tulalip, Washington, U.S. March 23, 2020. REUTERS/David Ryder

The contents of a sack lunch are pictured on a school bus route that has become a meal delivery route for the Marysville School District, as schools close during the coronavirus disease (COVID-19) outbreak, on the Tulalip Indian Reservation in Tulalip, Washington, U.S. March 23, 2020. REUTERS/David Ryder

Matt Remle, a native liaison with the Marysville School District, delivers sack lunches to Delilah Vanderpool and Zoe Vanderpool, who are waiting with their grandmother, Wendy Jarrells and her sister, Victoria Jarrells, on a school bus route converted to a meal delivery route, as schools close during the coronavirus disease (COVID-19) outbreak, on the Tulalip Indian Reservation in Tulalip, Washington, U.S. March 23, 2020. REUTERS/David Ryder

Matt Remle, a native liaison with the Marysville School District, delivers sack lunches to Delilah Vanderpool and Zoe Vanderpool, who are waiting with their grandmother, Wendy Jarrells and her sister, Victoria Jarrells, on a school bus route converted to a meal delivery route, as schools close during the coronavirus disease (COVID-19) outbreak, on the Tulalip Indian Reservation in Tulalip, Washington, U.S. March 23, 2020. REUTERS/David Ryder

Matt Remle, a native liaison with the Marysville School District, holds sack lunches while delivering meals on a school bus route with other district employees, as schools close during the coronavirus disease (COVID-19) outbreak, on the Tulalip Indian Reservation in Tulalip, Washington, U.S. March 23, 2020. REUTERS/David Ryder

With schools closed due to coronavirus, a young girl receives free meals delivered by school bus to a low income area of Falls Church, Virginia, U.S., March 20, 2020. REUTERS/Kevin Lamarque

With schools closed due to coronavirus, a mother carries free meals delivered by school bus to a low income area of Falls Church, Virginia, U.S., March 20, 2020. REUTERS/Kevin Lamarque

With schools closed due to coronavirus, a young girl receives free meals delivered by school bus in a low income area of Falls Church, Virginia, U.S., March 20, 2020. REUTERS/Kevin Lamarque

With schools closed due to coronavirus, a boy receives free meals delivered by school bus in a low income area of Falls Church, Virginia, U.S., March 20, 2020. REUTERS/Kevin Lamarque

With schools closed due to coronavirus, a boy and his mother collect free meals delivered by school bus in a low income area of Falls Church, Virginia, U.S., March 20, 2020. REUTERS/Kevin Lamarque

With schools closed due to coronavirus, a young girl reaches up for free meals delivered by school bus to children in a low income area of Falls Church, Virginia, U.S., March 20, 2020. REUTERS/Kevin Lamarque

A woman wearing a protective face mask stands in a bus stop, after the government decree to close schools, cinemas, and urge people to work from home and not stand closer than one metre to each other in Rome, Italy, March 5, 2020. REUTERS/Yara Nardi

A nun waits at a bus stop in Piazza Venezia, after the government decree to close schools, cinemas, and urge people to work from home and not stand closer than one metre to each other in Rome, Italy, March 5, 2020. REUTERS/Yara Nardi

Revellers of Uniao da Ilha samba school enact a crime on a bus during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil February 24, 2020. REUTERS/Ricardo Moraes

Revellers of Uniao da Ilha samba school hold signs with the word "peace" outside a bus during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil February 24, 2020. REUTERS/Ricardo Moraes

Revellers of Uniao da Ilha samba school enact a crime on a bus during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil February 24, 2020. REUTERS/Ricardo Moraes

Revellers of Uniao da Ilha samba school hold signs with the word "peace" on a bus during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil February 24, 2020. REUTERS/Pilar Olivares

Revellers of Uniao da Ilha samba school enact a crime on a bus during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil February 24, 2020. REUTERS/Pilar Olivares TPX IMAGES OF THE DAY

Revellers of Uniao da Ilha samba school enact a crime on a bus during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil February 24, 2020. REUTERS/Pilar Olivares