People, wearing protective face masks, clean their hands with disinfectant before entering inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

People, wearing protective face masks, clean their hands with disinfectant before entering inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

A staff member wearing a protective mask and a face shield cleans automated check out counters with alcohol at Japan's supermarket group Aeon's shopping mall as the mall reopens amid the coronavirus disease (COVID-19) outbreak in Chiba, Japan May 28, 2020. REUTERS/Kim Kyung-Hoon

Soccer Football - Bundesliga - Fortuna Dusseldorf v Schalke 04 - Merkur Spiel-Arena, Dusseldorf, Germany - May 27, 2020?A staff member cleans the match ball, as play resumes following the outbreak of the coronavirus disease (COVID-19) Martin Meissner/Pool via REUTERS DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

Soccer Football - Bundesliga - RB Leipzig v Hertha BSC - Red Bull Arena, Leipzig, Germany - May 27, 2020 A staff member cleans the visitor's bench during half time, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Alexander Hassenstein/Pool via REUTERS DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

Soccer Football - Bundesliga - RB Leipzig v Hertha BSC - Red Bull Arena, Leipzig, Germany - May 27, 2020 A member of staff cleans the match ball during half time, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Alexander Hassenstein/Pool via REUTERS DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

Workers clean the pavement in Canary Wharf, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 27, 2020. REUTERS/Dylan Martinez

Workers clean the windows of a building of Roche in Rotkreuz May 27, 2020. REUTERS/Arnd Wiegmann

Workers clean the windows of a building of Roche in Rotkreuz May 27, 2020. REUTERS/Arnd Wiegmann

The peak of Mount Pilatus is seen in the background as workers clean the windows of a building of Roche in Rotkreuz May 27, 2020. REUTERS/Arnd Wiegmann

The peak of Mount Pilatus is seen in the background as workers clean the windows of a building of Roche in Rotkreuz May 27, 2020. REUTERS/Arnd Wiegmann

A barber wears a protective face shield and gloves as he cleans his local barber shop after its reopening, following the outbreak of the coronavirus disease (COVID-19), in Isa Town, Bahrain May 27, 2020. REUTERS/Hamad I Mohammed

A worker cleans the windows of a building amid the coronavirus disease (COVID-19) outbreak in Tokyo, Japan, May 27, 2020. REUTERS/Kim Kyung-Hoon

Cleaners pack cleaning supplies into their truck at Orchard Villa Retirement Residence, where several residents died of the coronavirus disease (COVID-19), in Pickering, Ontario, Canada May 26, 2020. REUTERS/Carlos Osorio TPX IMAGES OF THE DAY

A passenger plane is cleaned during a general quarantine amid the spread of the coronavirus disease (COVID-19), at the Arturo Merino Benitez International Airport, in Santiago, Chile May 26, 2020. REUTERS/Ivan Alvarado

A crematorium employee cleans his working gloves at the crematory room as the number of deaths continue to rise due to the coronavirus disease (COVID-19) outbreak, at San Isidro crematory in Mexico City, Mexico May 20, 2020. Picture taken May 20, 2020.REUTERS/Carlos Jasso

An employee at a Mercedes-Benz dealership, wearing a protective mask, cleans a desk, amid the coronavirus disease (COVID-19) outbreak in Brussels, Belgium May 26, 2020. REUTERS/Yves Herman

An employee at a Mercedes-Benz dealership, wearing a protective mask, cleans a desk, amid the coronavirus disease (COVID-19) outbreak in Brussels, Belgium May 26, 2020. REUTERS/Yves Herman

A cleaning station is seen in a nursery preparing to reopen in Woburn Sands, following the outbreak of the coronavirus disease (COVID-19), Woburn Sands, Britain, May 26, 2020. REUTERS/Andrew Boyers

A staff member of Japan Airlines wearing a protective face mask and gloves cleans the cabin of a plane after performing a domestic flight as passengers disembarked at Haneda airport on the first day after the Japanese government lifted the state of emergency, in Tokyo, Japan May 26, 2020. REUTERS/Kim Kyung-Hoon

A staff member of Japan Airlines wearing a protective face mask and gloves cleans the cabin of a plane after performing a domestic flight as passengers disembarked at Haneda airport on the first day after the Japanese government lifted the state of emergency, in Tokyo, Japan May 26, 2020. REUTERS/Kim Kyung-Hoon

Japan Airlines' staff members wearing protective face masks and gloves clean the cabin of a plane after performing a domestic flight as passengers disembarked at Haneda airport on the first day after the Japanese government lifted the state of emergency, in Tokyo, Japan May 26, 2020. REUTERS/Kim Kyung-Hoon

Co-director of the intensive care unit at CommonSpirit's Dignity Health California Hospital Medical Center, Dr. Zafia Anklesaria, 35, who is seven months pregnant, cleans her hands after intubating a COVID-19 patient in the intensive care unit at the hospital where she works, during the coronavirus disease (COVID-19) outbreak, in Los Angeles, California, U.S., May 18, 2020. REUTERS/Lucy Nicholson SEARCH "PREGNANT DOCTOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Co-director of the intensive care unit at CommonSpirit's Dignity Health California Hospital Medical Center, Dr. Zafia Anklesaria, 35, who is seven months pregnant, cleans her hands after intubating a COVID-19 patient in the intensive care unit at the hospital where she works, during the coronavirus disease (COVID-19) outbreak, in Los Angeles, California, U.S., May 18, 2020. REUTERS/Lucy Nicholson SEARCH "PREGNANT DOCTOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

A woman chats to her friend while cleaning outside her home practicing social distancing following the outbreak of the coronavirus disease (COVID-19), in Dublin, Ireland, May 24, 2020. REUTERS/Clodagh Kilcoyne

Soccer Football - Bundesliga - 1. FSV Mainz 05 v RB Leipzig - Opel Arena, Mainz, Germany - May 24, 2020 Matchballs are cleaned with disinfectant wipes before the match, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Kai Pfaffenbach/Pool DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

Soccer Football - Bundesliga - 1. FSV Mainz 05 v RB Leipzig - Opel Arena, Mainz, Germany - May 24, 2020 Matchballs are cleaned with disinfectant wipes before the match, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Kai Pfaffenbach/Pool DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

Soccer Football - Bundesliga - 1. FSV Mainz 05 v RB Leipzig - Opel Arena, Mainz, Germany - May 24, 2020 Matchballs are cleaned with disinfectant wipes before the match, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Kai Pfaffenbach/Pool DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

Soccer Football - Bundesliga - 1. FSV Mainz 05 v RB Leipzig - Opel Arena, Mainz, Germany - May 24, 2020 Matchballs are cleaned with disinfectant wipes before the match, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Kai Pfaffenbach/Pool DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

Soccer Football - Bundesliga - 1. FSV Mainz 05 v RB Leipzig - Opel Arena, Mainz, Germany - May 24, 2020 Matchballs are cleaned with disinfectant wipes before the match, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) REUTERS/Kai Pfaffenbach/Pool DFL regulations prohibit any use of photographs as image sequences and/or quasi-video

A worker cleans at the almost empty Bangkok Art and Culture Center (BACC) during the coronavirus disease (COVID-19) outbreak in Bangkok, Thailand, May 22, 2020. Picture taken May 22, 2020. REUTERS/Athit Perawongmetha

Afghan men clean the area before prayers during Eid al-Fitr, a Muslim festival marking the end the holy fasting month of Ramadan, outside a mosque, amid the spread of the coronavirus disease (COVID-19), in Laghman province, Afghanistan May 24, 2020. REUTERS/Parwiz

A beach patrol member cleans the path of an almost empty Asbury Park beach after New Jersey beaches were opened ahead of the Memorial Day weekend following the outbreak of the coronavirus disease (COVID-19) in Asbury Park, New Jersey, U.S., May 23, 2020. REUTERS/Eduardo Munoz

Tractors clean a beach ahead of its reopening, as Italy eases some of the lockdown measures put in place during the coronavirus disease (COVID-19) outbreak, in Ladispoli, Italy, May 23, 2020. REUTERS/Alberto Lingria

Residents clean up debris in the aftermath of the Sanford Dam failure, which flooded the Tittabawassee River and parts of Sanford, Michigan U.S., May 22, 2020. REUTERS/Rebecca Cook?

Residents clean up debris in the aftermath of the Sanford Dam failure, which flooded the Tittabawassee River and parts of Sanford, Michigan U.S., May 22, 2020. REUTERS/Rebecca Cook

An RNLI lifeguard is seen cleaning a lifeboat, following the outbreak of the coronavirus disease (COVID-19), Margate, Britain, May 22, 2020. REUTERS/Paul Childs

A man wearing a protective face mask cleans tables at a restaurant, amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, May 22, 2020. REUTERS/Susana Vera

A foreign domestic worker cleans window blinds in Beirut, Lebanon, May 21, 2020. Picture taken May 21, 2020. REUTERS/Mohamed Azakir

Mannequins wearing protective face masks are seen as a man cleans outside a store which opened after some restrictions were lifted, during an extended lockdown to slow the spread of the coronavirus disease (COVID-19) in New Delhi, India, May 21, 2020. REUTERS/Anushree Fadnavis

An airport worker cleans a screen as the coronavirus disease (COVID-19) continues, at a Delta Airlines gate at New York’s JFK International Airport in New York, U.S., May 19, 2020. Picture taken May 19, 2020. REUTERS/Shannon Stapleton

A worker cleans the luggage collection area in Santos Dumont airport during the coronavirus disease (COVID-19) outbreak in Rio de Janeiro, Brazil, May 20, 2020. REUTERS/Ricardo Moraes

A worker cleans the surfaces in a bank amid the coronavirus disease (COVID-19) outbreak in Chelsea, Massachusetts, U.S., May 20, 2020. REUTERS/Brian Snyder

A member of the cleaning staff sanitizes a slot machine at the recently reopened Lucky Star Casino amid the spread of the coronavirus disease (COVID-19), in El Reno, Oklahoma, U.S. May 20, 2020. REUTERS/Nick Oxford

An employee cleans coffins at the Ermita funeral home amid the coronavirus disease (COVID-19) outbreak in Mexico City, Mexico May 9, 2020. Picture taken May 9, 2020. REUTERS/Gustavo Graf

An employee cleans coffins at the Ermita funeral home amid the coronavirus disease (COVID-19) outbreak in Mexico City, Mexico May 9, 2020. Picture taken May 9, 2020. REUTERS/Gustavo Graf

Chairman Sen. John Barrasso (R-WY) holds up a mask and shows off cleaning products at a hearing titled 'Oversight of the Environmental Protection Agency' in the Dirksen Senate Office Building in Washington, DC, U.S., May 20, 2020. Kevin Dietsch/Pool via REUTERS

A school nurse looks at a student cleaning his hands with hydroalcoholic gel at the entrance of the College Rosa Parks school during its reopening in Nantes as a small part of French shoolchildren head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 20, 2020. REUTERS/Stephane Mahe

A school nurse demonstrates the proper way of cleaning hands with hydroalcoholic gel to a student at the entrance of the College Rosa Parks school during its reopening in Nantes as a small part of French shoolchildren head back to their schools with new rules and social distancing during the outbreak of the coronavirus disease (COVID-19) in France, May 20, 2020. REUTERS/Stephane Mahe

A street sweeper cleans a street during the first week of allowing the practice in months, due to the ongoing outbreak of the coronavirus disease (COVID-19) in the Brooklyn borough of New York, U.S., May 19, 2020. REUTERS/Lucas Jackson

Catherine and Greg Tisdall clean household items outside their home following the outbreak of the coronavirus disease (COVID-19), in Dublin, Ireland, May 19, 2020. REUTERS/Clodagh Kilcoyne

Geoff Mather of Timbuk2 cleans the stores windows before opening during a phased reopening from the coronavirus disease (COVID-19) restrictions in Toronto, Ontario, Canada May 19, 2020. REUTERS/Carlos Osorio

A worker wearing a face mask cleans the handles inside a metro wagon at the deport of Noida Metro Rail Corporation (NMRC), during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Greater Noida, India, May 19, 2020. REUTERS/Anushree Fadnavis

A worker cleans on steps in Waterloo station during the morning rush hour following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 19, 2020. REUTERS/Toby Melville

A worker wearing a protective face mask cleans a ticket machine in Waterloo station during the morning rush hour following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 19, 2020. REUTERS/Toby Melville

A worker wearing a protective mask and gloves cleans a table at a terrace of the Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain, May 18, 2020. REUTERS/Nacho Doce

A Culture ministry employee cleans a plexiglass separator at the Acropolis' Propylaea as the archaeological site opens to visitors, following the easing of measures against the spread of the coronavirus disease (COVID-19), in Athens, Greece, May 18, 2020. REUTERS/Alkis Konstantinidis

A Culture ministry employee cleans a metal bar at the Acropolis' Propylaea as the archaeological site opens to visitors, following the easing of measures against the spread of the coronavirus disease (COVID-19), in Athens, Greece, May 18, 2020. REUTERS/Alkis Konstantinidis

A worker wearing a protective mask and gloves cleans a table at a terrace of the Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain, May 18, 2020. REUTERS/Nacho Doce