A Christmas trees vendor hands antibacterial gel to costumers at the Jamaica market, as the coronavirus disease (COVID-19) outbreak continues, in Mexico City, Mexico December 11, 2020. REUTERS/Gustavo Graf

A woman wears a costume depicting a bottle of Dettol Antibacterial Hand Wash as she celebrates Halloween at Lan Kwai Fong, a popular nightlife destination in Central, following the coronavirus disease (COVID-19) outbreak, in Hong Kong, China October 31 2020. REUTERS/Tyrone Siu

Rep. Norma Torres (D-CA) wipes down her microphone with an antibacterial wipe during a House Rules Committee markup session on a House resolution authorizing remote voting by proxy in the House of Representatives during a pandemic emergency on Capitol Hill, in Washington, U.S., April 22, 2020. REUTERS/Tom Brenner

Brazilian soldiers of the navy force spray disinfectant in the Central bus station, amid coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil April 9, 2020. REUTERS/Ueslei Marcelino

Brazilian soldiers of the navy force spray disinfectant in the Central bus station, amid coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil April 9, 2020. REUTERS/Ueslei Marcelino

A worker uses disinfectant to clean a public bus stop, following the outbreak of the coronavirus disease (COVID-19), in Santiago, Chile April 7, 2020. REUTERS/Ivan Alvarado

Cossacks wear protective face masks including SilverMask reusable face masks as they patrol the streets in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

Scientists from the Immanuel Kant Baltic Federal University work on the production of SilverMask reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19), in Kaliningrad, Russia April 1, 2020. Picture taken April 1, 2020. REUTERS/Vitaly Nevar

A cossack adjusts the SilverMask reusable face mask while patrolling the streets in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

A cossack wearing the SilverMask reusable face mask checks the documents of a man while patrolling the streets in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

A piece of special fabric is seen during the production of SilverMask reusable face masks in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

Cossacks wear SilverMask reusable face masks as they patrol the streets in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

A scientist uses a microscope to examine the special layer of the SilverMask reusable face mask in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

A scientist works on the production of SilverMask reusable face masks in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

A cossack wears the SilverMask reusable face mask while patrolling the streets in Kaliningrad, Russia April 1, 2020. Scientists from the Immanuel Kant Baltic Federal University designed reusable face masks with multilayer structure which includes layers with the deposition of silver ions that they say have antibacterial and antiviral properties and give better protection against the coronavirus disease (COVID-19). Picture taken April 1, 2020. REUTERS/Vitaly Nevar

An employee sets out antibacterial wipes at Jade Garden Restaurant in Seattle's Chinatown-International District, which has recently moved to takeout-only due to new state restaurant requirements during the outbreak of coronavirus disease (COVID-19), in Seattle, Washington, U.S. March 17, 2020. The restaurant has already seen at least a sixty percent loss in business over the past month. REUTERS/Lindsey Wasson

Drops of disinfectant are seen on a handle after a train carriage was sprayed to prevent the spread of coronavirus disease (COVID-19), at the main railway station in Nairobi, Kenya, March 17, 2020. REUTERS/Baz Ratner

Pharmacists and professionals line up at a laboratory to pickup hydroalcoholic solution according to WHO recommendations for hygienic hand disinfection in Paris, France, March 13, 2020. REUTERS/Benoit Tessier

Pharmacists and professionals line up at a laboratory to pickup hydroalcoholic solution according to WHO recommendations for hygienic hand disinfection in Paris, France, March 13, 2020. REUTERS/Benoit Tessier

Pharmacists and professionals line up at a laboratory to pickup hydroalcoholic solution according to WHO recommendations for hygienic hand disinfection in Paris, France, March 13, 2020. REUTERS/Benoit Tessier

A "No gel" sign is seen in the windows of a pharmacy as people rushed to buy disinfectant hand gel to fight the outbreak of coronavirus, after the government announce that it would regulate the price of the gels after prices were reported to have spiked since the start of the outbreak in Paris, France, March 5, 2020. REUTERS/Charles Platiau

An employee from a pharmacy takes away an antibacterial gel, that is part of personal protection and survival equipment kits ordered by customers preparing against novel coronavirus in Porto Alegre, Brazil February 28, 2020. REUTERS/Diego Vara

A Guatemala health worker explains how to clean your hands with antibacterial gel as he takes part in a drill to handle suspected carriers of coronavirus, at a hotel in Guatemala City, Guatemala February 26, 2020. REUTERS/Luis Echeverria

A staff member sanitizes the floor at an entrance of a residential complex, as the country is hit by an outbreak of the new coronavirus, in Beijing, China February 1, 2020. REUTERS/Carlos Garcia Rawlins

A staff member sanitize the floor at an entrance of a residential complex, as the country is hit by an outbreak of the new coronavirus, in Beijing, China February 1, 2020. REUTERS/Carlos Garcia Rawlins

An employee displays a Madiss system for the study of antibacterial surfaces (Microbial Aerosol tethering in the international space station) at the French National Space Agency (CNES) in Toulouse, France, October 3, 2017. REUTERS/Regis Duvignau

A sign which reads, "Disinfection area" hangs from a chain at a duck farm in Montsoue, France, January 12, 2017, as France continues a massive cull of ducks in three regions most affected by a severe outbreak of bird flu as it tries to contain the virus which has been spreading quickly over the past month. REUTERS/Regis Duvignau

Workers in full protective gear disinfect the interior of an internet cafe as a man looks on in Seoul, South Korea, June 16, 2015. South Korea's health ministry reported four new cases of Middle East Respiratory Syndrome (MERS) on Tuesday, bringing the total to 154 in an outbreak that is the largest outside Saudi Arabia. REUTERS/Kim Hong-Ji

Children come forward to get their feet disinfected after a Red Cross worker explained that they are spraying bleach, and not spraying the village with the Ebola virus, in Forecariah January 30, 2015, The latest spike in Guinea's Ebola cases could be a sign that aid teams are at last gaining access to hidden patients, rather than a surge of new cases, a senior World Health Organisation (WHO) official said. Picture taken January 30, 2015. REUTERS/Misha Hussain

A woman walks past a antiseptic dispenser, placed to be used as a preventive measure against Ebola, at the health minister's office in Abidjan August 11, 2014. The West African Ebola outbreak is the worst in history and the World Health Organization (WHO) said on Friday it represented an international health emergency that will likely continue spreading for months. It said 961 people had died so far during the outbreak and 1,779 had been infected. REUTERS/Luc Gnago (IVORY COAST - Tags: HEALTH)

A security guard holds a bottle of antiseptic liquid disinfectant for government officials and journalists visiting a wholesale poultry market in Hong Kong April 8, 2013. China is confident it can control an outbreak of a new strain of bird flu, a senior Chinese health official said on Sunday as the World Health Organization (WHO) said there had now been 21 human cases of the H7N9 flu with six deaths. REUTERS/Bobby Yip (CHINA - Tags: HEALTH ENVIRONMENT)

An employee wearing a protection suit sprays disinfectant on chickens at a poultry market in Hefei, Anhui province April 5, 2013. Chinese authorities were slaughtering birds at a poultry market in the financial hub Shanghai as the death toll from a new strain of bird flu mounted to six on Friday, spreading concern overseas and sparking a sell-off on Hong Kong's share market. According to Xinhua News Agency, east China's Zhejiang Province on Friday morning reported that a man has died from the H7N9 bird flu, bringing the death toll from the new deadly strain to six in the country. REUTERS/Stringer (CHINA - Tags: HEALTH DISASTER ANIMALS)

A team of cleaners use disinfectant to mop the road after human blood was spilled on the gates of the Government house in Bangkok March 16, 2010. Thousands of protesters in Thailand donated blood and poured it later outside the premier's office on Tuesday, a "sacrifice for democracy" aimed at energising their movement after the government refused to step down. REUTERS/Chaiwat Subprasom (THAILAND - Tags: POLITICS HEALTH CIVIL UNREST)

Saudi schoolboys sanitize their hands upon their arrival at Al-Yamama secondary school in Riyadh October 10, 2009. The Saudi government delayed the opening of state-run and many private schools because of the Muslim fasting month of Ramadan and concerns over the spread of the H1N1 flu virus. REUTERS/Fahad Shadeed (SAUDI ARABIA EDUCATION HEALTH SOCIETY)

A information sheet for the pandemic influenza A H1N1 virus (swine flu) and a bottle of disinfection liquid is seen on a desk of a Councillor of State during a special parliament session in the council of state's in Bern August 11, 2009. REUTERS/Pascal Lauener (SWITZERLAND POLITICS HEALTH)

Britain's Health Secretary Andy Burnham rubs disinfectant gel into his hands after his visit to an anti-viral clinic in east London July 20, 2009. Burnham sought to reassure the public on Monday that Britain was well-prepared to deal with a flu pandemic and rejected accusations that the government had issued conflicting advice. Twenty-nine Britons have died from the H1N1 flu virus, which is also known as swine flu, and officials have said they are making plans to cater for up to a third of the population falling ill. REUTERS/Johnny Green/Pool (BRITAIN POLITICS HEALTH)

A worker uses disinfectant to clean the interior of a train in a Cairo trainyard, June 15, 2009. Egypt, hard hit by the more deadly H5N1 bird flu virus, detected its first H1N1, formerly known as swine flu, case early this month in a 12-year-old American girl who arrived for a holiday in the most populous Arab country. To date, another 3 cases have tested positive on Monday and so bringing the total number of cases of H1N1 being reported in the country to 23. REUTERS/Amr Abdallah Dalsh (EGYPT SOCIETY ENVIRONMENT HEALTH TRANSPORT)

A worker uses disinfectant to clean the interior of a train in a Cairo trainyard June 15, 2009. Egypt, hard hit by the more deadly H5N1 bird flu virus, detected its first H1N1, formerly known as swine flu, case early this month in a 12-year-old American girl who arrived for a holiday in the most populous Arab country. To date, another 3 cases have tested positive on Monday and so bringing the total number of cases of H1N1 being reported in the country to 23. REUTERS/Amr Abdallah Dalsh (EGYPT SOCIETY HEALTH ENVIRONMENT TRANSPORT IMAGES OF THE DAY)

Workers use disinfectant to clean the ground around the Saint Gabriel School compound in Bangkok June 12, 2009, after five students were confirmed to be infected with the H1N1 virus.
REUTERS/Chaiwat Subprasom (THAILAND SOCIETY HEALTH EDUCATION)

A security guard wearing a surgical mask gives anti-bacterial soap to a visiting woman in the National Museum of Anthropology and History after it was reopened, in Mexico City May 7, 2009. Millions of high school and university students returned to classes in Mexico as the government said the worst of the flu crisis is over and the country got back on its feet after shutting public places last week to avoid spread of the virus. REUTERS/Eliana Aponte (MEXICO EDUCATION HEALTH ENVIRONMENT)

Hand sanitizers sit on desks at the Centers for Disease Control Emergency Operations Center as the H1N1 flu virus is monitored at the center in Atlanta, Georgia May 6, 2009. REUTERS/Tami Chappell (UNITED STATES HEALTH SOCIETY SCI TECH)

A customer looks at face masks in the anti-flu section at a supermarket in Taipei May 4, 2009. Taiwan's government will release 2 million masks to meet a growing domestic demand because of the influenza A (H1N1) virus, formerly referred to as swine flu, affecting many countries. REUTERS/Pichi Chuang (TAIWAN HEALTH SOCIETY)

An informational pamphlet about influenza A (H1N1), formerly referred to as swine flu, issued by the Centers for Disease Control, is displayed on the counter beside a box hand sanitizers at Doughery's Pharmacy in Dallas, Texas May 1, 2009. The United States has 141 confirmed cases of the H1N1 flu in 19 states, the U.S. Centers for Disease Control and Prevention said on Friday. REUTERS/Jessica Rinaldi (UNITED STATES)

An employee at Doughery's Pharmacy opens new boxes of hand sanitizers to restock the shelves after nearly selling out of it in Dallas, Texas May 1, 2009. The United States has 141 confirmed cases of the influenza A (H1N1), formerly referred to as swine flu, in 19 states, the U.S. Centers for Disease Control and Prevention said on Friday. REUTERS/Jessica Rinaldi (UNITED STATES SOCIETY HEALTH BUSINESS)

Health workers wear protective clothing as they spray disinfectant at a rural market in Yanjiao, Hebei province Januaray 7, 2009. Chinese health authorities closed poultry markets for disinfecting in a province surrounding Beijing on Wednesday after a woman died of bird flu, the first such death in the country in almost a year. REUTERS/Reinhard Krause (CHINA)

A health worker sprays disinfectant at a rural market in Yanjiao, Hebei province Januaray 7, 2009. Chinese health authorities closed poultry markets for disinfecting in a province surrounding Beijing on Wednesday after a woman died of bird flu, the first such death in the country in almost a year. REUTERS/Reinhard Krause (CHINA)

A man puts disinfectant powder on a dead sheep after floods caused by heavy rains in the oasis town of Ghardaia in the M'Zab valley south of Algiers October 3, 2008. REUTERS/Zohra Bensemra (ALGERIA)

Volunteers sit beside disinfectant container sprays at an evacuation center in Jiangyou, Sichuan Province May 17, 2008. The death toll from the deadliest earthquake to hit China in three decades has risen to almost 29,000, cabinet spokesman Guo Weimin told a news conference on Saturday. REUTERS/Claro Cortes IV (CHINA)

A worker applies disinfectant to mosquito netting at A to Z Textile Mills in Arusha, Tanzania, February 18, 2008. U.S. President George W. Bush on Monday announced a plan to distribute bed nets to protect 5.2 million Tanzanian children from the deadly disease.REUTERS/Jim Young (TANZANIA)

A worker sprays disinfectant at a poultry farm in Karachi February 2, 2008. Pakistani authorities have detected an outbreak of the H5N1 strain of bird flu at a poultry farm on the outskirts of its biggest city, Karachi, but officials said on Friday there was no likelihood of any human infection. REUTERS/Athar Hussain (PAKISTAN)

A worker sprays disinfectant at a poultry farm in Karachi February 2, 2008. Pakistani authorities have detected an outbreak of the H5N1 strain of bird flu at a poultry farm on the outskirts of its biggest city, Karachi, but officials said on Friday there was no likelihood of any human infection. REUTERS/Athar Hussain (PAKISTAN)

A sanitary worker sprays disinfectant on a car leaving the Danube Delta village of Murighiol, 305km (190 miles) east of Bucharest, November 29, 2007. Romania discovered an outbreak of the deadly H5N1 avian flu virus in the Danube river delta at a small farm on Wednesday, officials said. REUTERS/Bogdan Cristel (ROMANIA)

Personnel from Japan's Self-Defense Forces in protective gear spray disinfectants on suspect materials during a nuclear, biological and chemical weapons (NBC) exercise, held as a part of a drill for the Proliferation Security Initiative Exercise (PSI), at a port in Yokohama, south of Tokyo, October 15, 2007. Japan, the U.S., Australia, France, New Zealand and Singapore took part in the three-day naval drill to improve their capability to prevent possible transport of weapons of mass destruction by sea. REUTERS/Kim Kyung-Hoon (JAPAN)

A worker from Woolford farm disinfects her boots as she leaves the farm in Elstead, near Guildford, southern England August 5, 2007. A suspected case of foot and mouth disease had been reported at another farm nearby. REUTERS/Alessia Pierdomenico (BRITAIN)

A worker from Woolford farm disinfects her bag as she leaves the farm in Elstead, near Guildford, southern England August 5, 2007. A suspected case of foot and mouth disease had been reported at another farm nearby. REUTERS/Alessia Pierdomenico (BRITAIN)

An antibacterial keyboard and mouse by IOGear are displayed during the 2007 International CES in Las Vegas, Nevada January 9, 2007. The 2.4 GHz wireless RF set is treated with a special nano-particle compound to protect against surface bacteria, a representative said. REUTERS/Steve Marcus (UNITED STATES)

A sanitary worker sprays disinfectant in the village of Traian, Romania, 130 km (80 miles) east from Bucharest December 20, 2005 after the emergence of suspected bird flu cases. Since October, the Balkan country has found avian flu in 21 villages in and around the Danube delta where the deadly strain of the virus was first discovered some 300 km from Bucharest. REUTERS/Bogdan Cristel

A South Korean health worker sprays disinfectant at a chicken at the Seoul Grand Park Zoo December 23, 2003. Nearly a million chickens and ducks will be slaughtered across South Korea to combat a highly contagious strain of bird flu that has spread across the country and could also infect humans, the government said on Monday. REUTERS/Kim Kyung-Hoon PP04010033 pictures of the month december 2003 KKH/

Taipei Mayor Ma Ying-jeou (R) pastes realgar powder onto a woman's
forehead in Taipei on June 4, 2003, to mark the traditional dargon boat
festival. Realgar is used as an antibacterial agent in traditional
Chinese medicine and belived to expel the evil in the traditional
festival. Taiwan reported no new SARS cases and total infections
dropped by one to 678 due to re-classification of cases, raising hope
it can be taken off the World Health Organisation's travel advisory
list by mid-June. REUTERS/Simon Kwong

SK/DL

A man disinfects his shoes on a protective disinfectant matt on the
border between Newry and Dundalk in County Louth, Republic of Ireland,
March 1, 2001. The Irish Garda have been removing milk, cheese and
other dairy goods from traffic heading south from Northern Ireland as
fears grow over the confirmed outbreak of foot-and-mouth disease in the
South Armagh area. NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE REUTERS/Paul McErlane

PM/PS/CLH/