5th grade student Junior Romero, 10, studies in a classroom with plastic partitions at Louise Elementary School, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

Louise Elementary School teacher Lori Heard teaches her students in a classroom with plastic partitions, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

Students at Louise Elementary School gather in the playground for a ceremony to reopen the swings, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

5th graders at Louise Elementary School study in a classroom with plastic partitions, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

Students at Louise Elementary School gather in the playground for a ceremony to reopen the swings, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

5th grader students Ellyah Gonzalez (L),10, and Lazae Palacios (R), 10, study in a classroom with plastic partitions at Louise Elementary School, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

Louise Elementary School teachers watch over their students playing in the playground, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

5th graders at Louise Elementary School study in a classroom with plastic partitions, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

5th graders at Louise Elementary School study in a classroom with plastic partitions, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

Students at Louise Elementary School gather in the playground for a ceremony to reopen the swings, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

Louise School District superintendent Dr Garth Oliver poses in an accessway between Louise Junior High School and Louise Elementary School, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. To match Special Report: HEALTH-CORONAVIRUS/SCHOOLS-REOPENING. REUTERS/Go Nakamura

Louise Elementary School teacher Lope Guzman watches over her students playing in the playground, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. REUTERS/Go Nakamura

Students at Louise Elementary School walk along a passageway, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. REUTERS/Go Nakamura

Louise Elementary School student Croix Cortez, 8, plays on a swing as other students watch during a ceremony to reopen the swings, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. REUTERS/Go Nakamura

Louise School District superintendent Dr Garth Oliver poses in an accessway between Louise Junior High School and Louise Elementary School, during the coronavirus disease (COVID-19) pandemic in Louise, Texas, U.S., November 20, 2020. Picture taken November 20, 2020. REUTERS/Go Nakamura

A man completes his ballot at a privacy booth on Election Day at a polling station inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S., November 3, 2020. REUTERS/Bing Guan

Martina Brown celebrates after being the last voter to cast her ballot at a polling station inside Knapp Elementary School on Election Day in Racine, Racine County, Wisconsin, U.S., November 3, 2020. Brown voted a straight Republican ticket, casting her vote for U.S. President Donald Trump. REUTERS/Bing Guan TPX IMAGES OF THE DAY

A Democratic election observer leaves a polling station inside Knapp Elementary School after polls closed on Election Day in Racine, Racine County, Wisconsin, U.S., November 3, 2020. REUTERS/Bing Guan

Absentee ballots await counting after polls closed on Election Day at a polling station inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S., November 3, 2020. REUTERS/Bing Guan

A sign encouraging social distancing is seen as people wait in line to vote on Election Day at a polling station inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S., November 3, 2020. REUTERS/Bing Guan

Poll worker Kim Stafford helps a voter on Election Day at a polling station inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S., November 3, 2020. REUTERS/Bing Guan

A privacy booth for voting is seen on Election Day at a polling station inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S., November 3, 2020. REUTERS/Bing Guan TPX IMAGES OF THE DAY

Stacks of absentee ballots await counting after polls closed on Election Day at a voting site inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

Construction worker Francisco Estrada completes his ballot at a polling site on Election Day inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

A voter completes her ballot at a polling site on Election Day inside Knapp Elementary School in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

A gibbous moon is seen as voters wait to enter a polling station inside Knapp Elementary School on Election Day in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

Voters wait in line to enter a polling station inside Knapp Elementary School on Election Day in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

Dan Fischer, 34, waits to receive his ballot at a polling station inside Knapp Elementary School on Election Day in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

A voter completes his ballot inside a privacy booth at a polling station inside Knapp Elementary School on Election Day in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

A sign encouraging social distancing is seen as voters queue inside a polling station at Knapp Elementary School on Election Day in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

Voters queue inside a polling station at Knapp Elementary School on Election Day in Racine, Racine County, Wisconsin, U.S. November 3, 2020. REUTERS/Bing Guan

Students from South Side Community elementary school display signs encouraging motorists to vote on the afternoon of the presidential election in South Tucson, Arizona, U.S. November 3, 2020. REUTERS/Cheney Orr

Students from South Side Community elementary school display signs encouraging motorists to vote on the afternoon of the presidential election in South Tucson, Arizona, U.S. November 3, 2020. REUTERS/Cheney Orr

A voter waits to cast his ballot on election day at the Amelia Elementary School in Amelia, Ohio, U.S. November 3, 2020. REUTERS/Jeffrey Dean

Voters cast their ballots on election day at the Amelia Elementary School in Amelia, Ohio, U.S. November 3, 2020. REUTERS/Jeffrey Dean

Nemorio Ramirez, a native of Guanajuato, Mexico, stands in line to vote during the 2020 U.S. presidential election at Highland Elementary School in Ambridge, Beaver County, Pennsylvania, U.S. November 3, 2020. REUTERS/Alan Freed

Warning signs are seen outside Highland Elementary School during the U.S. presidential election in Ambridge, Beaver County, Pennsylvania, U.S. November 3, 2020. REUTERS/Alan Freed

Danielle Walker waits to vote during the U.S. presidential election at Highland Elementary School in Ambridge, Beaver County, Pennsylvania, U.S. November 3, 2020. REUTERS/Alan Freed

Voters line up at sunrise at Highland Elementary School in Ambridge, Beaver County, Pennsylvania, U.S. November 3, 2020. REUTERS/Alan Freed

A social distancing marker is placed below a voting station at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

Location Volunteer Rachel Keritis disinfects voting machines between votes at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

Location Volunteer Rachel Keritis disinfects voting machines between votes at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

People walk into a voting station to cast their ballot by early vote at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

Voting station workers are seen reflected inside of a window as people swim laps at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

Voting station workers are seen reflected inside of a window as people swim laps at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

Voting station workers are seen reflected inside of a window as people swim laps at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

People cast their ballots by early voting inside of a voting station at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

People cast their ballots by early voting inside of a voting station at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

Julian Belilty, from the Kalorama neighbourhood of the District of Columbia, casts his early vote at the Marie Reed Elementary School in the Adams Morgan Neighborhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

A social distancing sign is placed below a voting station at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

A section dedicated to poll watchers resides in a gymnasium corner at the Marie Reed Elementary School voting station in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

The word "vote" is written in sidewalk chalk outside of a voting station at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

A person looks before crossing a street beside a dedicated curbside voting station at the Marie Reed Elementary School in the Adams Morgan Neighbourhood in Washington, U.S., on October 28, 2020. REUTERS/Tom Brenner

Vehicles with North Dakota license plates are parked outside a COVID-19 saliva testing site inside the former Thomas Edison Elementary School, as the coronavirus disease (COVID-19) outbreak continues in Moorhead, Minnesota, U.S., October 25, 2020. REUTERS/Bing Guan

Protective masks, surgical gloves and cleaning supplies are seen at a COVID-19 saliva testing site inside the former Thomas Edison Elementary School, as the coronavirus disease (COVID-19) outbreak continues in Moorhead, Minnesota, U.S., October 25, 2020. REUTERS/Bing Guan

North Dakota residents prepare to self-administer COVID-19 saliva tests at a testing site inside the former Thomas Edison Elementary School, as the coronavirus disease (COVID-19) outbreak continues in Moorhead, Minnesota, U.S., October 25, 2020. REUTERS/Bing Guan

A North Dakota resident walks past signage and a hand sanitizer at the entrance to a COVID-19 saliva testing site inside the former Thomas Edison Elementary School, as the coronavirus disease (COVID-19) outbreak continues in Moorhead, Minnesota, U.S., October 25, 2020. REUTERS/Bing Guan

Mark Winkelman (C) helps a North Dakota family check in on a tablet for self-administered COVID-19 saliva tests at a testing site inside the former Thomas Edison Elementary School, as the coronavirus disease (COVID-19) outbreak continues in Moorhead, Minnesota, U.S., October 25, 2020. REUTERS/Bing Guan

North Dakota residents prepare to self-administer COVID-19 saliva tests at a testing site inside the former Thomas Edison Elementary School, as the coronavirus disease (COVID-19) outbreak continues in Moorhead, Minnesota, U.S., October 25, 2020. REUTERS/Bing Guan

Workers are seen at a testing site inside the former Thomas Edison Elementary School, as the coronavirus disease (COVID-19) outbreak continues in Moorhead, Minnesota, U.S., October 25, 2020. REUTERS/Bing Guan