A woman wearing a protective mask scans a tracking system entering a bookstore inside a shopping mall, after the Thai government eased isolation measures, amid the coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand May 29, 2020. REUTERS/Jorge Silva

A patient has an ultrasound scan on an Intensive Care ward at Frimley Park Hospital in Surrey, Britain, May 22, 2020. Picture taken May 22, 2020. Steve Parsons/Pool via REUTERS

A woman enters details into her health app after scanning a QR code at a checkpoint to the 798 art district in Beijing following the novel coronavirus disease (COVID-19) outbreak, China April 29, 2020. Picture taken April 29, 2020. REUTERS/Thomas Peter

Scan & Fly kiosks are seen, after the government allowed domestic flight services to resume from coming Monday, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), at the Indira Gandhi International (IGI) Airport, in New Delhi, India, May 23, 2020. REUTERS/Anushree Fadnavis

A man checks the Scan & Fly kiosks, after the government allowed domestic flight services to resume from coming Monday, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), at the Indira Gandhi International (IGI) Airport, in New Delhi, India, May 23, 2020. REUTERS/Anushree Fadnavis

A menu board is pictured at a restaurant where customers can scan a barcode on their phones to view the menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

People eat lunch at a restaurant where customers can scan a barcode on their phones to view the menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter holds a plate at a restaurant where customers can scan a barcode on their phones to view the menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter sanitises a table at a restaurant where customers can scan a barcode on their phones to view the menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A placard showing a barcode that customers scan on their phones to view menu, to avoid using paper menus that are touched by many customers, is pictured at a restaurant as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter places a placard showing a barcode that customers scan on their phones to view the restaurant menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter holds a placard showing a barcode that customers scan on their phones to view the restaurant menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter holds a placard showing a barcode that customers scan on their phones to view the restaurant menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

An employee scans his face with a protective face mask on as he enters an office building at Baidu's headquarters in Beijing, following the novel coronavirus disease (COVID-19) outbreak, China May 18, 2020. REUTERS/Tingshu Wang

Medical staff prepare to receive a patient for a CT Scan at The Royal Blackburn Teaching Hospital in East Lancashire, following the outbreak of the coronavirus disease (COVID-19), in Blackburn, Britain, May 14, 2020. Picture taken May 14, 2020. REUTERS/Hannah McKay/Pool

A client scans a QR code via mobile for checking the menu, on a terrace in Tarragona, Spain, May 12, 2020. REUTERS/Nacho Doce

A technician scans test tubes containing live samples in the Laboratoty for the coronavirus disease (COVID-19) in the Robert Ballanger hospital in Aulnay-sous-Bois near Paris during the outbreak of the coronavirus disease in France, April 30, 2020. Seine-Saint-Denis, a mainly working class and multiracial suburb, was already lacking doctors and resources before the coronavirus crisis and has seen a bigger spike in mortality than neighbouring Paris. But despite being understaffed, teams at Robert Ballanger hospital reorganized to prioritize emergency health and have worked long hours, giving everything to fight the virus. Picture taken April 30, 2020. REUTERS/Gonzalo Fuentes

A technician scans test tubes containing live samples in the Laboratoty for the coronavirus disease (COVID-19) in the Robert Ballanger hospital in Aulnay-sous-Bois near Paris during the outbreak of the coronavirus disease in France, April 30, 2020. Seine-Saint-Denis, a mainly working class and multiracial suburb, was already lacking doctors and resources before the coronavirus crisis and has seen a bigger spike in mortality than neighbouring Paris. But despite being understaffed, teams at Robert Ballanger hospital reorganized to prioritize emergency health and have worked long hours, giving everything to fight the virus. Picture taken April 30, 2020. REUTERS/Gonzalo Fuentes

Suparvadee Tantrarattanapong, an ICU nurse who volunteers to work with coronavirus disease (COVID-19) patients hands over a patient's emergency bag to an ICU nurse wearing personal protection equipment (PPE) before transferring a COVID-19 patient for a CT scan in the intensive care unit at the King Chulalongkorn Memorial Hospital in Bangkok, Thailand, April 23, 2020. Picture taken April 23, 2020. REUTERS/Athit Perawongmetha

ICU nurses wearing personal protection equipment (PPE) prepare to transfer a COVID-19 patient for a CT scan in the intensive care unit at the King Chulalongkorn Memorial Hospital in Bangkok, Thailand, April 23, 2020. Picture taken April 23, 2020. REUTERS/Athit Perawongmetha

ICU nurses wearing personal protection equipment (PPE) transfer a COVID-19 patient for a CT scan in the intensive care unit at the King Chulalongkorn Memorial Hospital in Bangkok, Thailand, April 23, 2020. Picture taken April 23, 2020. REUTERS/Athit Perawongmetha

Doctors and ICU nurses wearing personal protection equipment (PPE) perform a CT scan for a COVID-19 patient at the King Chulalongkorn Memorial Hospital in Bangkok, Thailand, April 23, 2020. Picture taken April 23, 2020. REUTERS/Athit Perawongmetha

Doctors and ICU nurses wearing personal protection equipment (PPE) perform a CT scan for a COVID-19 patient at the King Chulalongkorn Memorial Hospital in Bangkok, Thailand, April 23, 2020. Picture taken April 23, 2020. REUTERS/Athit Perawongmetha

Franklin County Board of Election absentee clerks Gene Shell and Katrina McReynlods work on scanning absentee ballots for the presidential primary elections at the board of election office, following the coronavirus disease (COVID-19) outbreak in Columbus, Ohio, U.S., April 28, 2020. REUTERS/Paul Vernon

Franklin County Board of Election absentee clerks Gene Shell and Katrina McReynlods work on scanning absentee ballots for the presidential primary elections at the board of election office, following the coronavirus disease (COVID-19) outbreak in Columbus, Ohio, U.S., April 28, 2020. REUTERS/Paul Vernon

Franklin County Board of Election absentee clerks Karen Griffith and Deborah Pearson get absentee ballots for the presidential primary elections ready to be scanned at the board of election office, following the coronavirus disease (COVID-19) outbreak in Columbus, Ohio, U.S., April 28, 2020. REUTERS/Paul Vernon

A vendor wearing a face mask sorts vegetables as a customer scans a WeChat QR code to pay at an outdoor market in Beijing, following the novel coronavirus disease (COVID-19) outbreak, China April 28, 2020. REUTERS/Tingshu Wang

A student takes off his face mask as he scans his face before leaving a school in Beijing, China as senior high school students in the Chinese capital returned to campus following the coronavirus disease (COVID-19) outbreak, April 27, 2020. REUTERS/Tingshu Wang

People leave a tent used as a thermal scanning station, while buying groceries, amid the outbreak of the coronavirus disease (COVID-19) in Singapore April 23, 2020. REUTERS/Edgar Su

People leave a tent used as a thermal scanning station, while buying groceries, amid the outbreak of the coronavirus disease (COVID-19) in Singapore April 23, 2020. REUTERS/Edgar Su

A woman leaves a tent used as a thermal scanning station, while buying groceries, amid the outbreak of the coronavirus disease (COVID-19) in Singapore April 23, 2020. REUTERS/Edgar Su

A technician scans test tubes containing live samples during the opening of the new COVID-19 testing lab at Queen Elizabeth University Hospital, amid the coronavirus disease epidemic in Glasgow, Britain April 22, 2020. Andrew Milligan/Pool via REUTERS

A technician scans test tubes containing live samples during the opening of the new COVID-19 testing lab at Queen Elizabeth University Hospital, amid the coronavirus disease epidemic in Glasgow, Britain April 22, 2020. Andrew Milligan/Pool via REUTERS

A technician scans test tubes containing live samples during the opening of the new COVID-19 testing lab at Queen Elizabeth University Hospital, amid the coronavirus disease epidemic in Glasgow, Britain April 22, 2020. Andrew Milligan/Pool via REUTERS

A technician scans test tubes containing live samples during the opening of the new COVID-19 testing lab at Queen Elizabeth University Hospital, amid the coronavirus disease epidemic in Glasgow, Britain April 22, 2020. Andrew Milligan/Pool via REUTERS

Medical workers prepare to transfer a patient for a CT scan at the intensive care unit (ICU) of the Sotiria hospital, following the coronavirus disease (COVID-19) outbreak, in Athens, Greece, April 22, 2020. REUTERS/Giorgos Moutafis

Medical workers prepare to transfer a patient for a CT scan at the intensive care unit (ICU) of the Sotiria hospital, following the coronavirus disease (COVID-19) outbreak, in Athens, Greece, April 22, 2020. REUTERS/Giorgos Moutafis

Medical workers prepare to transfer a patient for a CT scan at the intensive care unit (ICU) of the Sotiria hospital, following the coronavirus disease (COVID-19) outbreak, in Athens, Greece, April 22, 2020. REUTERS/Giorgos Moutafis

A postal employee scans his colleagues with an infrared thermometer to check their temperature as they prepare to leave to deliver mails and parcels, during an extended nationwide lockdown to slow the spreading of the coronavirus disease (COVID-19), in New Delhi, India, April 20, 2020. REUTERS/Adnan Abidi

A health worker scans a resident with an infrared thermometer to check her temperature as a precautionary measure against the spread of the coronavirus disease (COVID-19) at a residential area in New Delhi, India, April 20, 2020. REUTERS/Adnan Abidi TPX IMAGES OF THE DAY

A health worker scans residents with an infrared thermometer to check their temperature as a precautionary measure against the spread of the coronavirus disease (COVID-19) at a residential area in New Delhi, India, April 20, 2020. REUTERS/Adnan Abidi

Women scan residents from Dharavi, one of Asia's largest slums, with an infrared thermometer to check their temperature as a precautionary measure against the spread of the coronavirus disease (COVID-19), in Mumbai, India, April 11, 2020. REUTERS/Francis Mascarenhas

A doctor scans residents from Dharavi, one of Asia's largest slums, with an infrared thermometer to check their temperature as a precautionary measure against the spread of the coronavirus disease (COVID-19), in Mumbai, India, April 11, 2020. REUTERS/Francis Mascarenhas

A doctor scans residents from Dharavi, one of Asia's largest slums, with an infrared thermometer to check their temperature as a precautionary measure against the spread of the coronavirus disease (COVID-19), in Mumbai, India, April 11, 2020. REUTERS/Francis Mascarenhas

Instacart employee Eric Cohn, 34, uses his phone to scan an item for a delivery order he is preparing from Fry's grocery store while wearing a respirator mask to help protect himself and slow the spread of the coronavirus disease (COVID-19) in Tucson, Arizona, U.S., April 4, 2020. Picture taken April 4, 2020. REUTERS/Cheney Orr

People scan a health QR code at Wuhan's Hankou Railway Station as travel restrictions for leaving the city, the epicentre of a global coronavirus disease (COVID-19) outbreak, are lifted and people will be allowed to leave the city via road, rail and air, in Wuhan, Hubei, China April 8, 2020. REUTERS/Aly Song

Reuters photographer Nora Savosnick's parents Mats Haraldsson and Chava Savosnick look at an old photo of Nora from a scanned role of film, that they found after it was missing for 14 years, as Nora completes 14-days of quarantine since arriving from New York, during the coronavirus disease (COVID-19) outbreak, in Oslo, Norway, March 28, 2020. "The best part, it's so nice to have you close to me. You know, it's like good old days. It's so good and nice to discuss things with you and talk to you. And yeah, to have you close here. It's nice," said Chava Savosnick. REUTERS/Nora Savosnick SEARCH "SAVOSNICK QUARANTINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES.

A police officer controls the temperature of a person after delivery a leaflet with information about coronavirus disease (COVID-19) and scans the temperature to a person entering Mexico from the United States, in Ciudad Juarez, Mexico March 29, 2020. REUTERS/Jose Luis Gonzalez

A man wearing a face mask scans his ticket to exit as he arrives at a railway station of Wuhan on the first day of inbound train services resumed following the novel coronavirus disease (COVID-19) outbreak, in Wuhan of Hubei province, the epicentre of China's coronavirus outbreak, March 28, 2020. REUTERS/Aly Song

A staff member wearing a face mask holds a placard while standing among passengers on a subway train, on the first day the city's subway services resumed following the novel coronavirus disease (COVID-19) outbreak, in Wuhan of Hubei province, the epicentre of China's coronavirus outbreak, March 28, 2020. The Chinese characters on the placard read: "Always wear face mask, avoid gatherings, scan code when getting off the train." REUTERS/Aly Song

A Tim Horton coffee shop scans payment at the drive-thru window after movement restrictions came into effect due to coronavirus disease (COVID-19) in the border town of Cornwall, Ontario, Canada March 25, 2020. Picture taken March 25, 2020. REUTERS/Christinne Muschi

A devotee gets scanned with an infrared thermometer to check his temperature as a precautionary measure against coronavirus outside a mosque in Mumbai, India, March 20, 2020. REUTERS/Francis Mascarenhas

Belgian Doctor Ignace Demeyer, Chair Department of Emergency Medicine at Onze Lieve Vrouw Hospital, shows, in this combination photo, scanner images of lungs of a patient in good health (top, scan taken March 16, 2020) and lungs of a person suffering from the coronavirus disease (COVID-19) (bottom, scan taken March 15, 2020) in Aalst, Belgium March 17, 2020. REUTERS/Yves Herman

Belgian Doctor Ignace Demeyer, Chair Department of Emergency Medicine at Onze Lieve Vrouw Hospital, points to a scanner image of the lungs of a patient in good health (scan taken on March 16, 2020) in Aalst, Belgium March 17, 2020. REUTERS/Yves Herman REFILE - CORRECTING SCAN IMAGE DATE

Belgian Doctor Ignace Demeyer, Chair Department of Emergency Medicine at Onze Lieve Vrouw Hospital, points to a scanner image of the lungs of a patient suffering from the coronavirus disease (COVID-19) (scan taken on March 15, 2020) in Aalst, Belgium March 17, 2020. REUTERS/Yves Herman

A security official scans a visitor with an infrared thermometer to check his temperature as a precautionary measure against coronavirus outside the Bombay Stock Exchange (BSE) in Mumbai, India March 16, 2020. REUTERS/Francis Mascarenhas

An employee of Japan Airlines (JAL), wearing protective mask following an outbreak of the coronavirus disease (COVID-19), scans the temperature to a passenger at the almost empty Kansai International Airport in Osaka, Japan, March 14, 2020. REUTERS/Edgard Garrido

Workers transport sorted Democratic Party ballots into bins to be opened and scanned during the presidential primary at King County Elections ballot processing center in Renton, Washington, U.S. March 10, 2020. REUTERS/Lindsey Wasson

Ballots are quickly scanned for tabulation later in the evening during the presidential primary at King County Elections ballot processing center in Renton, Washington, U.S. March 10, 2020. REUTERS/Lindsey Wasson

Workers open ballots to prepare them for scanning during the presidential primary at King County Elections ballot processing center in Renton, Washington, U.S. March 10, 2020. REUTERS/Lindsey Wasson