A stray dog who underwent sterilization surgery is seen at a cage at the "Doggies of Santa Lucia" shelter, run by the Mexican army at an unoccupied kindergarten building, which was created after the Mexico City's new airport architects and workers noticed a large amount of stray dogs wandering near the construction site, in Zumpango de Ocampo, Mexico July 14, 2021. Picture taken July 14, 2021. REUTERS/Toya Sarno Jordan

Employees demonstrate the voting process inside a "sterile" polling station during a demonstration for the media revealing preparations ahead of Israel's upcoming election amid the coronavirus disease (COVID-19) crisis, at the Central Elections Committee's logistics centre in Shoham, Israel February 23, 2021. REUTERS/Ammar Awad

A Muslim sterilizes his hands before taking part in Friday prayers at King Abdullah Mosque, after the government allowed worshipers to break a blanket ban for an hour and walk to mosques, amid fears over rising numbers of coronavirus disease (COVID-19) cases in downtown Amman, Jordan November 20, 2020. REUTERS/Muhammad Hamed

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, Thailand, June 22, 2020. REUTERS/Jorge Silva/File Photo TPX IMAGES OF THE DAY SEARCH "GLOBAL POY" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2020 PACKAGES.

A healthcare worker sterilizes a car before he takes nasal swab samples to check for the coronavirus disease (COVID-19) at a drive-thru testing station in Amman, Jordan, November 17, 2020. REUTERS/Muhammad Hamed

Tattoo artist Shodai Horiren, 52, shows her needles before tattooing a customer at her studio in Warabi, Saitama Prefecture, Japan, September 4, 2020. "The fact that it's done by hand makes my work of an old-fashioned type. I take a bunch of needles and pull them together with thread, then hold it all with wax. Then I sterilize it. I think the biggest difference is that I don't use electricity," said Horiren. REUTERS/Kim Kyung-Hoon SEARCH "KYUNG-HOON TATTOOS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

A woman wearing a protective face mask and a suit sterilizes a voting booth at a school used as a polling station, during the first round of Egypt's parliamentary elections in Giza, Egypt, October 24, 2020. REUTERS/Mohamed Abd El Ghany

A woman wearing a protective face mask and a suit sterilizes a ballot box at a school used as a polling station, during the first round of Egypt's parliamentary elections in Giza, Egypt, October 24, 2020. REUTERS/Mohamed Abd El Ghany

A sterilizer is seen in front of the students as they attend a class at one of the public schools during the first day of the academic year amid fears of rising number of the coronavirus disease (COVID-19) cases in Jordan, Amman September 1, 2020. REUTERS/Muhammad Hamed

A man sterilizes a sword which Shi'ite pilgrims use to commemorate Ashura, the holiest day on the Shi'ite Muslim calendar, amid the spread of the coronavirus disease (COVID-19), in the holy city of Kerbala, Iraq, August 29, 2020. REUTERS/Teba Sadiq

A woman wears a mask inside a glass-covered bus stop in which a thermal imaging camera, UV sterilizer, air conditioner, CCTV and digital signage are set, to avoid the spread of COVID-19 in Seoul, South Korea, August 14, 2020. REUTERS/Heo Ran

A woman waits for the bus inside a glass-covered stop in which a thermal imaging camera, UV sterilizer, air conditioner, CCTV and digital signage are set, to avoid the spread of COVID-19 in Seoul, South Korea, August 14, 2020. REUTERS/Heo Ran

People wait for the bus inside a glass covered stop in which a thermal imaging camera, UV sterilizer, air conditioner, CCTV and digital signage are set, to avoid the spread of COVID-19 in Seoul, South Korea, August 14, 2020. REUTERS/Heo Ran

An Iraqi volunteer wearing a protective suit, who takes care and delivers medical supplies to the coronavirus disease (COVID-19) patients at their homes, disinfects and sterilizes a patient's home in the holy city of Najaf, Iraq, August 3, 2020. Picture taken August 3, 2020. REUTERS/Alaa Al-Marjani

An Iraqi volunteer wearing a protective suit, who takes care and delivers medical supplies to the coronavirus disease (COVID-19) patients at their homes, disinfects and sterilizes a patient's home in the holy city of Najaf, Iraq, August 3, 2020. Picture taken August 3, 2020. REUTERS/Alaa Al-Marjani

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