People scan a QR code to check their health before entering the Seasons Place Shopping Mall at the Beijing Financial Street, following the coronavirus disease (COVID-19) outbreak, in Beijing, China September 23, 2020. REUTERS/Tingshu Wang

A customer scans a QR code to access the Andres Carne de Res restaurant menu, amidst the coronavirus disease (COVID-19) outbreak, in Chia, Colombia August 30, 2020. Picture taken August 30, 2020. REUTERS/Luisa Gonzalez

People wearing face masks following the coronavirus disease (COVID-19) outbreak scan their ID cards to enter a platform at a railway station in Beijing, China September 1, 2020. REUTERS/Tingshu Wang

An Israeli park ranger scans the sky as another holds a plastic bag used by Palestinians to fly incendiary material into Israel that has caused fires in border areas near Kibbutz Be'eri on the Israeli side of the border between Israel and the Gaza Strip August 22, 2020. Picture taken August 22, 2020. REUTERS/Amir Cohen

A general view of a full-body scan at the former Berlin Schoenefeld airport that has been integrated as Terminal T5 into the newly built Berlin Brandenburg Airport "Willy Brandt" (BER) ahead of the opening of the airport in October, in Schoenefeld, Brandenburg, Germany, August 24, 2020. REUTERS/Christian Mang

A woman is pictured undergoing full body scan at the former Berlin Schoenefeld airport that has been integrated as Terminal T5 into the newly build Berlin Brandenburg Airport "Willy Brandt" (BER) ahead of the opening of the airport in October, in Schoenefeld Germany, August 24, 2020. REUTERS/Christian Mang

A woman is pictured undergoing full body scan at the former Berlin Schoenefeld airport that has been integrated as Terminal T5 into the newly build Berlin Brandenburg Airport "Willy Brandt" (BER) ahead of the opening of the airport in October, in Schoenefeld Germany, August 24, 2020. REUTERS/Christian Mang

A staff member holds a thermometer for temperature checks as he requires people to scan a health code at the entrance of the Maple Garden Drive-in Cinema, during Beijing International Film Festival following the coronavirus disease (COVID-19) outbreak, in Beijing, China August 24, 2020. REUTERS/Tingshu Wang

A worker scans a WeChat Pay QR code to buy a takeaway meal for lunch near a construction site, following the coronavirus disease (COVID-19) outbreak, in Beijing, China August 21, 2020. REUTERS/Tingshu Wang

A woman holds out her arm as an electoral volunteer scans it with an infrared thermometer to check her body temperature at a polling station in Carolina, Puerto Rico August 16, 2020. Thousands of Puerto Ricans had a second chance to vote for the first time a week after delayed and missing ballots marred the original primaries. REUTERS/Ricardo Arduengo

A man holds out his hands as an electoral worker scans it with an ultraviolet light to verify he had not already voted, at a polling station in Loiza, Puerto Rico August 16, 2020. Thousands of Puerto Ricans had a second chance to vote for the first time a week after delayed and missing ballots marred the original primaries. REUTERS/Ricardo Arduengo

A woman holds out her arm as an electoral worker scans it with an infrared thermometer to check her body temperature at a polling station in Loiza, Puerto Rico August 16, 2020. Thousands of Puerto Ricans had a second chance to vote for the first time a week after delayed and missing ballots marred the original primaries. REUTERS/Ricardo Arduengo

A man holds out his hand as an electoral worker scans it with an ultraviolet light to verify he had not already voted, at a polling station in Loiza, Puerto Rico August 16, 2020. Thousands of Puerto Ricans had a second chance to vote for the first time a week after delayed and missing ballots marred the original primaries. REUTERS/Ricardo Arduengo

A framed baby scan is pictured on the wall inside the room of George Khnaisser, whose mother was in labour at the moment of the Beirut port blast, at the family home in Jal el-Dib, Lebanon, August 12, 2020. REUTERS/Hannah McKay

A person scans the QR code of the digital payment services WeChat Pay at a fresh market in Beijing, China August 8, 2020. REUTERS/Thomas Peter

A client using his mobile phone scans the QR code to place an order of a pizza with its ingredientes through of the "Funky Pay" app, where the app replaces waiters at Funky Pizza restaurant in Palafrugell, near Girona, Costa Brava, Spain July 31, 2020. Picture taken July 31, 2020. REUTERS/Nacho Doce

A client using his mobile phone scans a QR code to place an order of a pizza with its ingredientes through the "Funky Pay" app, which replaces waiters, at Funky Pizza restaurant in Palafrugell, near Girona, Costa Brava, Spain July 31, 2020. Picture taken July 31, 2020. REUTERS/Nacho Doce

A medical staff scans the temperature of a man lining up for free food at a public park, as the outbreak of the coronavirus disease (COVID-19) continues in Mexico City, Mexico, July 30, 2020. REUTERS/Edgard Garrido

A passenger self scans her boarding pass to enter a United Airlines flight at IAH George Bush Intercontinental Airport amid the coronavirus disease (COVID-19) outbreak in Houston, Texas, U.S., July 21, 2020. REUTERS/Adrees Latif

A Meituan delivery worker uses his phone to scan his face with a protective mask on with a company's app before he starts to work, following the outbreak of the coronavirus disease (COVID-19), in Beijing's Central Business District, China July 15, 2020. REUTERS/Tingshu Wang

A security guard with disinfecting gel and a thermometer to scan shoppers before entering to a store is seen, during the gradual reopening of commercial activities in the city, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico July 14, 2020. REUTERS/Henry Romero

A voter wearing a face mask following the coronavirus disease (COVID-19) outbreak scans a QR code during the primary election aimed at selecting democracy candidates for the September election, in Hong Kong, China July 12, 2020. REUTERS/Lam Yik

A customer scans a ticket, following the outbreak of the coronavirus disease (COVID-19), at the "Showcase Cinema de Lux" in Coventry, Britain July 10, 2020. REUTERS/Andrew Boyers

A staff member wearing a protective face mask scans a ticket of a customer, following the outbreak of the coronavirus disease (COVID-19), at the "Showcase Cinema de Lux" in Coventry, Britain July 10, 2020. REUTERS/Andrew Boyers

An app on a mobile phone shows to a client the price of a product after scanning the barcode at an avec box convenience store, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland July 10, 2020. REUTERS/Arnd Wiegmann

An employee scans the temperature to a customer during the start of gradual reopening of commercial activities in downtown Mexico City, as the coronavirus disease (COVID-19) outbreak continues, Mexico June 30, 2020. REUTERS/Edgard Garrido

A vendor scans the temperature to a customer during the start of gradual reopening of commercial activities in downtown Mexico City, as the coronavirus disease (COVID-19) outbreak continues, Mexico June 30, 2020. REUTERS/Edgard Garrido

A customer takes a shopping basket in front of a self-scanning station at the entrance of a supermarket of Swiss retail group Migros, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland June 24, 2020. REUTERS/Arnd Wiegmann

A customer walks past a self-scanning station at the entrance of a supermarket of Swiss retail group Migros, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland June 24, 2020. REUTERS/Arnd Wiegmann

Visitors scan QR codes to receive Zoo's map, as printed brochures are not distributed to avoid contagion, as Madrid's zoo reopens its doors after more than three months of lockdown caused by the coronavirus disease (COVID-19) outbreak in Madrid, June 23, 2020. REUTERS/Susana Vera

A man wearing a protective mask carries his luggage before scanning at the Hurghada Maritime Port, amid the coronavirus disease (COVID-19) outbreak, in Hurghada, Egypt June 19, 2020. REUTERS/Mohamed Abd El Ghany

A customer scans a QR code to pay for vegetables inside the Yuegezhuang wholesale market, following new cases of coronavirus disease (COVID-19) infections in Beijing, China June 17, 2020. REUTERS/Tingshu Wang

A health worker monitors a screen showing thermal scanning to check the temperature of passengers at a railway station, after authorities eased lockdown restrictions that were imposed to slow the spread of the coronavirus disease (COVID-19), in Ahmedabad, India, June 16, 2020. REUTERS/Amit Dave

A customer is seen at the self scan checkout in a Sainsbury's supermarket in Harpenden, following the outbreak of the coronavirus disease (COVID-19), in Harpenden, Britain, June 12, 2020. REUTERS/Peter Cziborra

An employee, wearing a face mask, scans the temperature of a construction worker during the first day of the country's gradual re-opening of the economy for "essential" industries, as the coronavirus disease (COVID-19) outbreak continues in Mexico City, Mexico June 1, 2020. REUTERS/Edgard Garrido

Jun 1, 2020; Arlington, Texas, United States; A security guard scans the temperature of a women before allowing them to enter Globe Life Field during the first day of public tours. Mandatory Credit: Tim Heitman-USA TODAY Sports

Jun 1, 2020; Arlington, Texas, United States; A security guard scans the temperature of a man before allowing them to enter Globe Life Field during the first day of public tours. Mandatory Credit: Tim Heitman-USA TODAY Sports

Jun 1, 2020; Arlington, Texas, United States; A security guard scans the temperature of a women before allowing them to enter Globe Life Field during the first day of public tours. Mandatory Credit: Tim Heitman-USA TODAY Sports

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