A display restroom that is cleaned by UV is seen at CV19 Essential, a store that specializes in goods to help fight the outbreak of the coronavirus disease (COVID-19) in midtown Manhattan, New York City, U.S., September 21, 2020. REUTERS/Andrew Kelly

Campaign mugs of clean and dirty pens used for consent forms are seen in the press coronavirus testing center for Democratic U.S. presidential nominee and former Vice President Joe Biden in Wilmington, Delaware, U.S., September 20, 2020. Picture taken September 20, 2020. REUTERS/Mark Makela

A barber cleans a customer's ear with tools at Jin Ban Cun barbershop in Beijing, China September 21, 2020. REUTERS/Tingshu Wang

Britain's Sophie, Countess of Wessex, collects rubbish during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Prince Edward and Sophie, Countess of Wessex, and their children Lady Louise and James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, and her children Lady Louise and James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, collects rubbish during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, and her son James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, and her son James, Viscount Severn, clean rubbish with volunteers from the Marine Conservation Society and Southsea Beachwatch behind beachgoers during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Prince Edward and his children Lady Louise and James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Prince Edward and his children Lady Louise and James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, and her children Lady Louise and James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Prince Edward and Sophie, Countess of Wessex, together with their children Lady Louise and James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Prince Edward and Sophie, Countess of Wessex, together with their children Lady Louise and James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Lady Louise, daughter of Britain's Prince Edward and Sophie, Countess of Wessex, arrives to take part in the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, joins volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, collects rubbish during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, and her son James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Sophie, Countess of Wessex, and her son James, Viscount Severn, join volunteers from the Marine Conservation Society and Southsea Beachwatch during the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Prince Edward and Sophie, Countess of Wessex, pose with their children Lady Louise and James, Viscount Severn, as they take part in the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

Britain's Prince Edward and Sophie, Countess of Wessex, pose with their children Lady Louise and James, Viscount Severn, as they take part in the Great British Beach Clean in Southsea, Britain September 20, 2020. REUTERS/Toby Melville/Pool

A private security guard shows a girl where to clean her shoes, as Papalote Children's Museum reopens after closing since March amid the coronavirus disease (COVID-19) outbreak in Mexico City, Mexico,September 18, 2020. REUTERS/Edgard Garrido

Kindergarten teacher Princess Bryant cleans the surfaces of her classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant and paraprofessional Emily Lichtenstein (R) clean the surfaces of their classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant and paraprofessional Emily Lichtenstein (R) clean the surfaces of their classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans the surfaces of her classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans up and prepares her classroom, from where she will begin the new school year teaching classes virtually, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans up and prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans up and prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

An employee cleans a carousel during the reopening day of iconic theme park Ocean Park, following the coronavirus disease (COVID-19) outbreak, in Hong Kong, China September 18, 2020. REUTERS/Tyrone Siu

Employees of Crabs restaurant clean up after Hurricane Sally as Calypso, a macaw parrot looks on in Pensacola Beach, Florida, U.S., September 17, 2020. REUTERS/Jonathan Bachman

A man cleans tables on a pedestrianised road designed to encourage social distancing and outdoor dining in the city centre, amidst the coronavirus disease (COVID-19) pandemic, in Oxford, Britain, September 17, 2020. REUTERS/Toby Melville

A man carrying cleaning materials and wearing a protective face mask walks through the quadrangle of the Old Bodleian Library buildings, Oxford University, ahead of the new academic year, amidst the coronavirus disease (COVID-19) pandemic, in Oxford, Britain, September 17, 2020. REUTERS/Toby Melville

A man carrying cleaning materials and wearing a protective face mask walks through the quadrangle of the Old Bodleian Library buildings, Oxford University, ahead of the new academic year, amidst the coronavirus disease (COVID-19) pandemic, in Oxford, Britain, September 17, 2020. REUTERS/Toby Melville

A man cleans a school closed as part of a government decision to curb the spread of the coronavirus disease (COVID-19) crisis, a day before a nationwide lockdown begins, in Jerusalem September 17, 2020. REUTERS/Ammar Awad

Bonnie Crawford, who returned to her home after evacuating from fires in Clackamas County, cleans ashes from her sidewalk in Molalla, Oregon, U.S., September 16, 2020. REUTERS/Shannon Stapleton

Tony Beritiech, of Dauphin Island, watches as his son Matt Beritiech, of Ocean Springs, cleans up a downed tree in front of Tony's house after Hurricane Sally made landfall, on Dauphin Island, U.S., September 16, 2020. REUTERS/Kathleen Flynn

Tony Beritiech, of Dauphin Island, watches as his son Matt Beritiech, of Ocean Springs, cleans up a downed tree in front of Tony's house after Hurricane Sally made a landfall, on Dauphin Island, U.S., September 16, 2020. REUTERS/Kathleen Flynn

A medical worker cleans a resident room at "Les Figuiers" retirement home (Ehpad - Housing Establishment for Dependant Elderly People) amid the coronavirus disease (COVID-19) outbreak in Villeneuve-Loubet, France, September 16, 2020. REUTERS/Eric Gaillard

Soccer Football - Carabao Cup Second Round - Rochdale v Sheffield Wednesday - The Crown Oil Arena, Rochdale, Britain - September 15, 2020 A ball boy cleans the ball Action Images/Carl Recine EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

An Israeli man cleans broken glass in a laundry shop following a rocket attack fired from Gaza in Ashdod, Israel September 15, 2020 REUTERS/ Amir Cohen

An NHS track and trace staff member cleans a bowl at a walk-in test facility following the outbreak of the coronavirus disease (COVID-19) in Bolton, Britain, September 15, 2020. REUTERS/Phil Noble

A pygmy hippo rests on a puddle while its pool (not pictured) is cleaned at the 'Buin Zoo' which is looking for sponsors to funds for food, maintenance and veterinary controls for its animals due the lockdown, during the coronavirus disease (COVID-19) outbreak, in Buin, Santiago, Chile September 9, 2020. Picture taken September 9, 2020. REUTERS/Ivan Alvarado

A zookeeper cleans a rhino at the 'Buin Zoo' which is looking for sponsors to funds for food, maintenance and veterinary controls for its animals due the lockdown, during the coronavirus disease (COVID-19) outbreak, in Buin, Santiago, Chile September 9, 2020. Picture taken September 9, 2020. REUTERS/Ivan Alvarado

Employees spray sanitizer and clean chairs in the library ahead of the reopening of the schools, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan September 14, 2020. REUTERS/Akhtar Soomro

Employees spray sanitizer and clean chairs in a class room ahead of the reopening of the schools, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan September 14, 2020. REUTERS/Akhtar Soomro

Publican Paul Moynihan cleans a glass in his pub in Donard, County Wicklow, Ireland September 10, 2020, as all Ireland's pubs are set to be allowed to open again on September 21 amid the coronavirus disease (COVID-19) outbreak. Picture taken September 10, 2020. REUTERS/Lorraine O'Sullivan

A employee works at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

Employees work at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

An employee wears cleanroom garment before getting into a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

A employee works at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

Semiconductor testing equipments are seen at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

A employee works at a clean room of National Nanofab Center in Daejeon, South Korea, September 3, 2020. REUTERS/Kim Hong-Ji

Boxing - Anthony Yarde v Dec Spelman - BT Sport Studio, London, Britain - September 12, 2020. Staff wearing full PPE clean the boxing ring in between bouts. Action Images/Andrew Couldridge

Soccer Football - Scottish Premiership - Ross County v Celtic - Global Energy Stadium, Dingwall, Scotland, Britain - September 12, 2020 The goalposts are cleaned before the match as 300 fans are allowed in to the stadium following the outbreak of the coronavirus disease (COVID-19) REUTERS/Russell Cheyne

A worker cleans a room at the Othon Palace hotel, amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil September 3, 2020. Picture taken September 3, 2020. REUTERS/Pilar Olivares

A worker cleans a room at the Othon Palace hotel, amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil September 3, 2020. Picture taken September 3, 2020. REUTERS/Pilar Olivares

An employee irons a jacket at at Hiperlim dry cleaning, as the coronavirus disease (COVID-19) outbreak continues in Mexico City, Mexico September 10, 2020. REUTERS/Edgard Garrido

An Iraqi hairdresser wearing a protective mask cleans the face of a customer at a men's barber shop amid the outbreak of the coronavirus (COVID-19), in the city of Hilla, Iraq September 7, 2020. Picture taken September 7, 2020. REUTERS/Alaa al-Marjani

Women clean recycled plastic bottles at Thabarwa meditation center in Thanlyin, Yangon in Myanmar, September 4, 2020. Picture taken September 4, 2020. REUTERS/Shwe Paw Mya Tin