A worker wearing a protective suit sterilizes a playground before it’s used by Saudi families, after the government lifted coronavirus disease (COVID-19) lockdown restrictions, in Riyadh, Saudi Arabia July 6, 2020. REUTERS/Ahmed Yosri

A worker wearing a protective suit sterilizes a bench before it’s used by Saudi families, after the government lifted coronavirus disease (COVID-19) lockdown restrictions, in Riyadh, Saudi Arabia July 6, 2020. REUTERS/Ahmed Yosri

A worker wearing a protective suit sterilizes the chalet pool before it’s rented by Saudi families, after the government lifted coronavirus disease (COVID-19) lockdown restrictions, in Riyadh, Saudi Arabia July 6, 2020. REUTERS/Ahmed Yosri

Dr Amir leshaa, Sterile production section head, holds one of Remdesivir during an interview with Reuters, as Eva Pharma Facility works on investigational coronavirus disease (COVID-19) treatment drug "Remdesivir", in Cairo, Egypt June 25, 2020. REUTERS/Amr Abdallah Dalsh

Veterinarians from the the Department of National Parks carry out sterilization procedures on monkeys due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Department of National Parks personnel make identification tattoos on monkeys before a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Veterinarians get monkeys ready before a sterilization procedure by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

A monkey receives anaesthesia before a sterilization procedure by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Monkeys are sedated as they recover after a sterilization procedure carried out by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

A monkey is seen in a cage before a sterilization procedure by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

An ID tag is seen on a monkey as veterinarians from the the Department of National Parks carry out a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Monkeys are sedated as they recover after a sterilization procedure carried out by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Monkeys are sedated as they recover after a sterilization procedure carried out by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

A monkey is sedated as veterinarians from the the Department of National Parks carry out a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Monkeys are sedated as they recover after a sterilization procedure carried out by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

A monkey is seen sedated receiving IV fluids as veterinarians from the the Department of National Parks carry out a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Veterinarians from the the Department of National Parks carry out sterilization procedures on monkeys due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Two monkeys are seen sedated as veterinarians from the Department of National Parks carry out a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva TPX IMAGES OF THE DAY

A monkey is seen sedated as veterinarians from the the Department of National Parks carry out a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Two monkeys are seen sedated as veterinarians from the the Department of National Parks carry out a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

A veterinarian shaves a monkey's chest before a sterilization procedure by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

A veterinarian shaves a monkey before a sterilization procedure by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Department of National Parks personnel make an identification tattoo on a monkey's arm before a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Department of National Parks personnel make an identification tattoo on a monkey's chin before a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Department of National Parks personnel take an identification picture of a monkey before a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Department of National Parks personnel take an identification picture of a monkey before a sterilization procedure due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

Veterinarians do a echocardiogram on a pregnat monkey as the Department of National Parks do sterilization procedure to monkeys due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva

A monkey is seen in a cage before a sterilization procedure by the Department of National Parks due to the increase of the macaques population in the urban area and the tourist spots of the city of Lopburi, in Thailand June 22, 2020. Picture taken June 22, 2020. REUTERS/Jorge Silva TPX IMAGES OF THE DAY

A pharmacist prepares medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

Pharmacists prepare medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

Pharmacists prepare medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

A pharmacist prepares medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

A pharmacist prepares medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

A pharmacist prepares medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

A pharmacist prepares medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

A pharmacist prepares medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

A pharmacist prepares medication and drugs in a sterile room at the CHR Centre Hospitalier Regional de la Citadelle Hospital amid the coronavirus disease (COVID-19) in Liege, Belgium, June16, 2020. REUTERS/Yves Herman

A worker, wearing a face mask, sterilizes shopping carts at a supermarket, following the outbreak of the coronavirus disease (COVID-19) in Riyadh, Saudi Arabia June 14, 2020. REUTERS/Ahmed Yosri

A worker wears a protective suit, following the outbreak of the coronavirus disease (COVID-19), sterilizes the tables before the customers sit down after a restaurant reopened, in Riyadh, Saudi Arabia June 13, 2020. Picture taken June 13, 2020. REUTERS/Ahmed Yosri

A worker wears a protective suit, following the outbreak of the coronavirus disease (COVID-19), sterilizes the tables before the customers sit down at a restaurant, in Riyadh, Saudi Arabia June 13, 2020. Picture taken June 13, 2020. REUTERS/Ahmed Yosri

A worker wears a protective suit, following the outbreak of the coronavirus disease (COVID-19), sterilizes the tables before the customers sit down after a restaurant reopened, in Riyadh, Saudi Arabia June 13, 2020. Picture taken June 13, 2020. REUTERS/Ahmed Yosri

Mira Robotics' Ugo avatar robot sterilizes a door handle with ultraviolet light during a demonstration at the company's laboratory in Kawasaki, Japan June 8, 2020. Picture taken June 8, 2020. REUTERS/Kim Kyung-Hoon

Mira Robotics' Ugo avatar robot sterilizes a door handle with ultraviolet light during a demonstration at the company's laboratory in Kawasaki, Japan June 8, 2020. Picture taken June 8, 2020. REUTERS/Kim Kyung-Hoon

A worker prepares himself to sterilize a mosque to prevent the spread of the coronavirus disease (COVID-19) after the government announced that it will open places of worship to worshipers from tomorrow in Amman, Jordan, June 4, 2020. REUTERS/Muhammad Hamed

A member of the Popular Mobilization Forces (PMF), who volunteered to work in the cemetery, wears a protective suit as he hangs masks and gloves to dry them after sterilization at the new Wadi Al-Salam cemetery, which is dedicated to those who died of the coronavirus disease (COVID-19), on the outskirts of the holy city of Najaf, Iraq May, 25. 2020. Picture taken May, 25. 2020. REUTERS/Alaa al-Marjani

People wearing protective face masks walk past a sign reading "our jewelries are sterilized" in Cannes as France softens its strict lockdown rules during the outbreak of the coronavirus disease (COVID-19) in France, May 14, 2020. REUTERS/Eric Gaillard

An Intelligent Sterilization Robot (ISR), produced by TMiRob of China, uses UV light to sanitize, at a toilet, following the coronavirus disease (COVID-19) outbreak, at the Hong Kong International Airport, in Hong Kong, China May 7, 2020. Picture taken May 7, 2020. REUTERS/Tyrone Siu

An Intelligent Sterilization Robot (ISR), produced by TMiRob of China, uses UV light to sanitize, at a toilet, following the coronavirus disease (COVID-19) outbreak, at the Hong Kong International Airport, in Hong Kong, China May 7, 2020. Picture taken May 7, 2020. REUTERS/Tyrone Siu

N95 face masks hang to be sterilized with UVC light, amid the coronavirus disease (COVID-19) outbreak, at the Cleveland Clinic hospital in Abu Dhabi, United Arab Emirates, April 20, 2020. Picture taken April 20, 2020. REUTERS/Christopher Pike

A nurse wearing protective suit and face mask sprays a boy who was infected with the coronavirus disease (COVID-19) and has recovered, with sterile water, in a quarantine ward, at a hospital in the holy city of Najaf, Iraq April 21, 2020. REUTERS/Alaa al-Marjani

A nurse wearing protective suit and face mask sprays a girl who was infected with the coronavirus disease (COVID-19) and has recovered, with sterile water, in quarantine ward, at a hospital in the holy city of Najaf, Iraq April 21, 2020. REUTERS/Alaa al-Marjani

A nurse wearing a protective suit and face mask sprays a patient, who was infected with the coronavirus disease (COVID-19) and has recovered, with sterile water, in a quarantine ward, at a hospital in the holy city of Najaf, Iraq April 21, 2020. REUTERS/Alaa al-Marjani

A technician hangs N95 face masks to be sterilized with UVC light, amid the coronavirus disease (COVID-19) outbreak, at the Cleveland Clinic hospital in Abu Dhabi, United Arab Emirates, April 20, 2020. REUTERS/Christopher Pike TPX IMAGES OF THE DAY

Sterilization chamber with ultraviolet light, built by the Universidad Catolic team, is pictured during a preventive quarantine after the outbreak of coronavirus disease (COVID-19), in Santiago, Chile, on April 17, 2020. REUTERS/Pablo Sanhueza

A Catholic University student checks the condition of the UV-light-operated sterilization chamber plate, during a preventive quarantine following the outbreak of coronavirus disease (COVID-19), in Santiago, Chile, on April 17, 2020. REUTERS/Pablo Sanhueza

A student at the Catholic University works on the construction of a sterilization chamber with ultraviolet light, during a preventive quarantine after the outbreak of coronavirus disease (COVID-19), in Santiago, Chile, on April 17, 2020. REUTERS/Pablo Sanhueza

A team from the Catholic University builds a sterilization chamber with ultraviolet light, during a preventive quarantine after the outbreak of coronavirus disease (COVID-19), in Santiago, Chile, on April 17, 2020. REUTERS/Pablo Sanhueza

A team from the Catholic University builds a sterilization chamber with ultraviolet light, during a preventive quarantine after the outbreak of coronavirus disease (COVID-19), in Santiago, Chile, on April 17, 2020. REUTERS/Pablo Sanhueza

Detail of an ultraviolet light tube used in building a sterilization chamber, at the Catholic University, during a preventive quarantine after the outbreak of coronavirus disease (COVID-19), in Santiago, Chile, on April 17, 2020. REUTERS/Pablo Sanhueza

A student from the Catholic University works in a workshop where they build a sterilization chamber with ultraviolet light, during a preventive quarantine after the outbreak of coronavirus disease (COVID-19), in Santiago, Chile, on April 17, 2020. REUTERS/Pablo Sanhueza