Children chat on a break at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

A teacher talks to children during a class at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

A teacher talks to children during a class at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

Children during a class at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

Children during a class at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

A teacher talks to children during a class at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

A teacher talks to a child during a class at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

Children are seen washing their hands at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

Children are seen washing their hands at Heath Mount School as some schools reopen, following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, June 2, 2020. REUTERS/Andrew Couldridge

Social distance markers are seen on a path outside Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A hand sanitising area is seen at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A general view as a part of a play area at Heath Mount Prep School is seen closed off as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A classroom is seen with tables and chairs socially distanced at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A classroom is seen with tables and chairs socially distanced at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A poster is seen on a chair at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A classroom is seen with tables and chairs socially distanced at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A hand sanitising area at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

Pencils are seen in a classroom as the tables and chairs are placed at a social distance at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

PPE clothing and equipment are seen in a classroom at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A worker is seen at a hand sanitising area at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

PPE clothing and equipment are seen in a classroom at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A classroom is seen with tables and chairs socially distanced at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

A classroom is seen with tables and chairs socially distanced at Heath Mount Prep School as they prepare to reopen following the outbreak of the coronavirus disease (COVID-19), Watton-at-Stone, Britain, May 29, 2020. REUTERS/Andrew Couldridge

Urinals are pictured at the Central World department store after the Thai government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

A woman uses a sanitising hand gel from a four-legged dog robot called "K9" at the Central World department store, after the Thai government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

A woman uses a sanitising hand gel from a four-legged dog robot called "K9" at the Central World department store, after the Thai government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

People eat lunch at a food court of the Central World department store, after the Thai government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

People have lunch while Barbegon, mascots of the "Bar.B.Q Plaza" restaurant occupy the seats as part of social distancing measures to prevent the spread of the coronavirus disease (COVID-19), at the restaurant reopened after the easing of restrictions, in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

Barbegon, mascots of the "Bar.B.Q Plaza" restaurant occupy the seats as part of social distancing measures to prevent the spread of the coronavirus disease (COVID-19), at the restaurant reopened after the easing of restrictions, in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

Barbegon, mascots of the "Bar.B.Q Plaza" restaurant occupy the seats as part of social distancing measures to prevent the spread of the coronavirus disease (COVID-19), at the restaurant reopened after the easing of restrictions, in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

Barbegon, mascots of the "Bar.B.Q Plaza" restaurant occupy the seats as part of social distancing measures to prevent the spread of the coronavirus disease (COVID-19), at the restaurant reopened after the easing of restrictions, in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

Barbegon, mascots of the "Bar.B.Q Plaza" restaurant occupy the seats as part of social distancing measures to prevent the spread of the coronavirus disease (COVID-19), at the restaurant reopened after the easing of restrictions, in Bangkok, Thailand, May 17, 2020. REUTERS/Athit Perawongmetha

A man goes for a run on Hampstead Heath, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 13, 2020. REUTERS/John Sibley

Nurses of Emergency Rescue Service (SAMU) transport a patient from a basic heath unit to a hospital during the coronavirus (COVID-19) outbreak in Santo Andre, Sao Paulo State, Brazil, May 7, 2020. Picture taken May 7, 2020. REUTERS/Rahel Patrasso

A nurse of Emergency Rescue Service (SAMU) transports a patient from a basic heath unit to a hospital during the spread of the coronavirus disease (COVID-19) in Santo Andre, Sao Paulo State, Brazil May 4, 2020. Picture taken May 4, 2020. REUTERS/Rahel Patrasso

A doctor of Emergency Rescue Service (SAMU) prepares to transport a patient from an emergency heath center to a hospital during the spread of the coronavirus disease (COVID-19) in Santo Andre, Sao Paulo State, Brazil, May 12, 2020. REUTERS/Rahel Patrasso

A combination picture shows Earl's Court underground tube station in London, on a typical day during morning rush hour, November 6, 2014 (top) and May 11, 2020 (bottom), in Britain. REUTERS/Kevin Coombs

A park bench on Wimbledon Common is taped up following the outbreak of the coronavirus disease (COVID-19) in London, Britain, May 8, 2020. REUTERS/Kevin Coombs

An Imam crouches beside the grave of Ozcan Aygin, who died from coronavirus disease (COVID-19), during his funeral service at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

An Imam leads the funeral service of Ozcan Aygin, who died from coronavirus disease (COVID-19), at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

The coffin of Ozcan Aygin, who died from coronavirus disease (COVID-19), is lowered into a grave during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

The coffin of Ozcan Aygin, who died from coronavirus disease (COVID-19), is carried by funeral workers wearing face masks and protective coveralls during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

A funeral services worker wearing protective gloves and coveralls throws soil into the grave of Ozcan Aygin, who died from coronavirus disease (COVID-19), during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

The daughter and granddaughter of Ozcan Aygin, who died from coronavirus disease (COVID-19), stand during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

A loader tips soil into the grave of Ozcan Aygin, who died from the coronavirus disease (COVID-19), during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

The grave of Ozcan Aygin, who died from the coronavirus disease (COVID-19), is seen during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

A cemetery worker disinfects the grave of Ozcan Aygin, who died from the coronavirus disease (COVID-19), during his funeral at Chadwell Heath Cemetery in Romford, Britain, April 27, 2020. Picture taken April 27, 2020. To match Special Report HEALTH-CORONAVIRUS/BRITAIN-ELDERLY REUTERS/Peter Nicholls

A surfer protests against a nationwide lockdown regulations due to the spread of the coronavirus disease (COVID-19) at Muizenberg beach in Cape Town, South Africa, May 5, 2020 REUTERS/Mike Hutchings TPX IMAGES OF THE DAY

A surfer protests against a nationwide lockdown regulations due to the spread of the coronavirus disease (COVID-19) at Muizenberg beach in Cape Town, South Africa, May 5, 2020 REUTERS/Mike Hutchings

A member of a heath department is seen inside a unit where patients with COVID-19 are treated at Juarez hospital, as the coronavirus disease (COVID-19) continues in Mexico City, Mexico April 29, 2020. REUTERS/Carlos Jasso

A heath worker checks child's temperature while Bolivian citizens (not pictured), stranded in Chile after the border was closed as preventive measure, gather on the street outside a Bolivian consular office during the coronavirus disease (COVID-19) outbreak, in Santiago, Chile April 28, 2020. REUTERS/Ivan Alvarado

A nail salon is pictured as it is among those businesses permitted to reopen after a shutdown to prevent the spread of coronavirus disease (COVID-19) in Metter, Georgia, U.S. April 26, 2020. REUTERS/Maranie Staab

A barber shop is pictured as it is among those businesses permitted to reopen after a shutdown to prevent the spread of coronavirus disease (COVID-19) in Metter, Georgia, U.S. April 26, 2020. REUTERS/Maranie Staab

A barber shop is pictured as it is among those businesses permitted to reopen after a shutdown to prevent the spread of coronavirus disease (COVID-19) in Metter, Georgia, U.S. April 26, 2020. REUTERS/Maranie Staab

A barber shop is pictured as it is among those businesses permitted to reopen after a shutdown to prevent the spread of coronavirus disease (COVID-19) in Metter, Georgia, U.S. April 26, 2020. REUTERS/Maranie Staab

A nail salon is pictured as it is among those businesses permitted to reopen after a shutdown to prevent the spread of coronavirus disease (COVID-19) in Metter, Georgia, U.S. April 26, 2020. REUTERS/Maranie Staab

Kirsten Cassat wears a face mask while waiting for appointments outside her tattoo parlor, as businesses reopen after a shutdown to prevent the spread of the coronavirus disease (COVID-19) in Savannah, Georgia, U.S., April 25, 2020. REUTERS/Maranie Staab

Kirsten Cassat wears a face mask inside her tattoo parlor, as businesses reopen after a shutdown to prevent the spread of the coronavirus disease (COVID-19) in Savannah, Georgia, U.S., April 25, 2020. REUTERS/Maranie Staab

A nail salon opens after a shutdown to prevent the spread of the coronavirus disease (COVID-19) in Pooler, Georgia, U.S., April 25, 2020. REUTERS/Maranie Staab

A shop selling guns is seen as businesses reopen after a shutdown to prevent the spread of the coronavirus disease (COVID-19) in Pooler, Georgia, U.S., April 25, 2020. REUTERS/Maranie Staab