A volunteer from the National Muslim Covid-19 Response Committee, is sprayed with disinfectant after attending a funeral of Abdirizak Hassan Ahmed, at the muslim cemetery in Nairobi, Kenya August 6, 2020. REUTERS/Baz Ratner

A medical team member wearing a protective suit sprays disinfectant to sanitise a woman after leaving a center for the coronavirus disease (COVID-19) patients, in the holy city of Kerbala, Iraq July 11, 2020. Picture taken July 11, 2020. REUTERS/Alaa Al-Marjani

An election officer sprays sanitiser onto voter's hands outside a polling station during the country's parliamentary election in Colombo, Sri Lanka, August 5, 2020. REUTERS/Dinuka Liyanawatte

A municipal worker wearing protective gear sprays disinfectant at Hanuman Garhi temple before the arrival of India's Prime Minister Narendra Modi ahead of the foundation laying ceremony for a Hindu temple in Ayodhya, India, August 5, 2020. REUTERS/Pawan Kumar

Firefighters spray water at a fire following an explosion in Beirut's port area, Lebanon August 4, 2020. REUTERS/Mohamed Azakir

Firefighters spray water at a fire after an explosion was heard in Beirut, Lebanon August 4, 2020. REUTERS/Mohamed Azakir TPX IMAGES OF THE DAY

Caroline Holifield, is treated after being pepper sprayed during a Black Lives Matter rally in Austin, Texas, U.S., August 1, 2020. Members of the Boogaloo Boys and the Texas Guerrillas also marched with protesters saying they wanted to protect them and their right to free speech. Picture taken August 1, 2020. REUTERS/Nuri Vallbona

Eelena Saravia sprays alcohol on an offering during the Pachamama (Mother Earth) month at the witches market, amid the outbreak of the coronavirus disease (COVID-19) in La Paz, Bolivia August 3, 2020. The sign reads "Matico plants arrived for COVID". REUTERS/David Mercado

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

Workers in protective suits spray to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly TPX IMAGES OF THE DAY

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

Workers in protective suits spray to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

A worker in a protective suit sprays to disinfect the Amazonas Theatre ahead of its reopening after the Amazonas state government eased isolation measures to prevent the spread of the coronavirus disease (COVID-19) in Manaus, Brazil, August 2, 2020. REUTERS/Bruno Kelly

An employee sprays disinfectant on a cabin called "Baby Cabin Parade", for parents to show their newborn baby to relatives as a social distancing solution during the coronavirus disease (COVID-19) outbreak in Monterrey, Mexico July 31, 2020. Picture taken July 31, 2020. REUTERS/Daniel Becerril

A protester sprays foam insulation on a fence in front of the courthouse as a preventative measure to block less lethal munitions before a protest against racial inequality and police violence in Portland, Oregon, U.S., July 31, 2020. REUTERS/Caitlin Ochs

A protester sprays foam insulation on a fence in front of the courthouse as a preventative measure to block less lethal munitions before a protest against racial inequality and police violence in Portland, Oregon, U.S., July 31, 2020. REUTERS/Caitlin Ochs

Members of women's collectives spray the shields of police officers with paint during a protest after Mexico's Supreme Court judges voted down an injunction that could have decriminalised abortions in the conservative state of Veracruz, in Mexico City, Mexico July 31, 2020. REUTERS/Carlos Jasso

A woman sprays paint on a cameraman's camera during a march toward Mexico's Supreme Court after judges voted down an injunction that could have decriminalized abortion in the conservative state of Veracruz, in Mexico City, Mexico July 31, 2020. REUTERS/Raquel Cunha

A worker wearing protective gear sprays disinfectant inside an empty PVR multiplex that was closed following the outbreak of the coronavirus disease (COVID-19), in New Delhi, India July 31, 2020. REUTERS/Adnan Abidi

Workers wearing protective gear spray disinfectant inside an empty PVR multiplex that was closed following the outbreak of the coronavirus disease (COVID-19), in New Delhi, India July 31, 2020. REUTERS/Adnan Abidi

A worker uses a soapy cloth to clean the legs of a bull, during a spray wash at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) oubtbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro

Workers use shampoo on a cloth to clean the bull during a spray wash, at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro

A worker applies foam to clean the bull during a spray wash at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro

A worker sprays kerosene oil on a bull's hoof to kill the germs, during a spray wash at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro

A worker uses a pressure hose on a bull during a spray wash, at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro TPX IMAGES OF THE DAY

A worker washes a motorbike while a bull waits inside for a spray wash, at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro

A worker uses a pressure hose on a bull during a spray wash, at an automobile service station, ahead of the Muslim festival of sacrifice Eid al-Adha, as the coronavirus disease (COVID-19) outbreak continues, in Karachi, Pakistan July 30, 2020. REUTERS/Akhtar Soomro

A man in personal protective equipment (PPE) sprays disinfectant on an escalator inside a mall to sanatize it before they reopen in Mumbai, India, July 30, 2020. REUTERS/Francis Mascarenhas

Men in personal protective equipment (PPE) spray disinfectant to santize a mall before they reopen in Mumbai, India, July 30, 2020. REUTERS/Francis Mascarenhas TPX IMAGES OF THE DAY

A man in personal protective equipment (PPE) sprays disinfectant to santize a mall before they reopen in Mumbai, India, July 30, 2020. REUTERS/Francis Mascarenhas

A health worker sprays disinfectants at a rapid testing center for coronavirus disease (COVID-19) outside Hanoi, Vietnam July 30, 2020. REUTERS/Kham

A health worker sprays disinfectant near the bodies, that officers of the Special Force Against Crime (FELCC) transported to the 'Hospital de Clinicas', amid the outbreak of the coronavirus disease (COVID-19), in La Paz, Bolivia, July 27, 2020. Picture taken July 27, 2020. REUTERS/David Mercado

A health worker in a white protective suit sprays disinfectant at Vietnamese construction workers infected with the coronavirus disease (COVID-19), upon their arrival at the tropical diseases hospital after being repatriated from Equatorial Guinea via a specially-adapted Vietnam Airlines plane filled with medical equipment and negative pressure chambers, in Hanoi, Vietnam July 29, 2020. REUTERS/Kham

Health workers in white protective suits spray disinfectant at Vietnamese construction workers infected with the coronavirus disease (COVID-19), upon their arrival at the tropical diseases hospital after being repatriated from Equatorial Guinea via a specially-adapted Vietnam Airlines plane filled with medical equipment and negative pressure chambers, in Hanoi, Vietnam July 29, 2020. REUTERS/Kham

Health workers spray disinfectant at each other after escorting Vietnamese construction workers infected with the coronavirus disease (COVID-19) from an airport to the tropical diseases hospital, after they were repatriated from Equatorial Guinea via a specially-adapted Vietnam Airlines plane filled with medical equipment and negative pressure chambers, in Hanoi, Vietnam July 29, 2020. REUTERS/Kham

A council worker sprays a social distancing marker on the ground in Oldham, as the town faces local restrictions in an effort to avoid a local lockdown being forced upon the area amid the coronavirus disease (COVID-19) outbreak, Britain July 29, 2020. REUTERS/Phil Noble TPX IMAGES OF THE DAY

A council worker sprays a social distancing marker on the ground in Oldham, as the town faces local restrictions in an effort to avoid a local lockdown being forced upon the area amid the coronavirus disease (COVID-19) outbreak, Britain July 29, 2020. REUTERS/Phil Noble

A demonstrator sprays paint on a sign during a protest against racial inequality and police violence in Portland, Oregon, U.S., July 27, 2020. REUTERS/Caitlin Ochs

Researchers of the Rio de Janeiro State University (UERJ) walk in an alley after installing the equipment developed by Heitor Evangelista to collect sprays containing the new coronavirus in their droplets from the open-air sewage of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY

Children are seen near the equipment developed by Heitor Evangelista and installed by him and his research group of the Rio de Janeiro State University (UERJ) to try to collect sprays containing the new coronavirus in their droplets from the air at the main entrance to the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

Children are seen next to the equipment developed by Heitor Evangelista and installed by him and his research group of the Rio de Janeiro State University (UERJ) to try to collect sprays containing the new coronavirus in their droplets from the air at the main entrance of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

Heitor Evangelista and other researcher of the Rio de Janeiro State University (UERJ) prepare the equipment developed by him to try to collect sprays containing the new coronavirus in their droplets from the open-air sewage of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

Residents walk near the equipment developed by Heitor Evangelista and installed by him and his research group of the Rio de Janeiro State University (UERJ) to try to collect sprays containing the new coronavirus in their droplets from the open-air sewage of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

A resident walks next to the equipment developed by Heitor Evangelista and installed by him and his research group of the Rio de Janeiro State University (UERJ) to try to collect sprays containing the new coronavirus in their droplets from the air at the main entrance of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

Heitor Evangelista and other researcher of the Rio de Janeiro State University (UERJ) prepare the equipment developed by him to try to collect sprays containing the new coronavirus in their droplets from the open-air sewage of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

A researcher of the Rio de Janeiro State University (UERJ) prepares the equipment developed by Heitor Evangelista to try to collect sprays containing the new coronavirus in their droplets from the open-air sewage of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

A researcher of the Rio de Janeiro State University (UERJ) prepares the equipment developed by Heitor Evangelista to try to collect sprays containing the new coronavirus in their droplets from the open-air sewage of the Santa Marta slum, as they work with the local volunteer sanitization team lead by Thiago Firmino during the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil July 27, 2020. REUTERS/Ricardo Moraes

A man wearing a protective face mask uses a disinfection spray as people perform taekwondo during a protest against the closure of gyms, amid the coronavirus disease (COVID-19) outbreak, at Sant Jaume square in Barcelona, Spain July 27, 2020. REUTERS/Albert Gea

Palestinians inspect the damage to a mosque entrance that was torched and sprayed with Hebrew graffiti in Al-Bireh in the Israeli-occupied West Bank July 27, 2020. REUTERS/Mohamad Torokman

A Palestinian man walks at a mosque entrance that was torched and sprayed with Hebrew graffiti in Al-Bireh in the Israeli-occupied West Bank July 27, 2020. REUTERS/Mohamad Torokman

A worker sprays paint on a stencil indicating social distancing on the floor of a bus stop, as the spread of the coronavirus disease (COVID-19) continues, in San Jose, Costa Rica July 24, 2020. REUTERS/Juan Carlos Ulate

A worker sprays paint on a stencil indicating social distancing on the floor of a bus stop, as the spread of the coronavirus disease (COVID-19) continues, in San Jose, Costa Rica July 24, 2020. REUTERS/Juan Carlos Ulate

A worker sprays paint on a stencil indicating social distancing on the floor of a bus stop, as the spread of the coronavirus disease (COVID-19) continues, in San Jose, Costa Rica July 24, 2020. REUTERS/Juan Carlos Ulate

A worker sprays paint on a stencil indicating social distancing on the floor of a bus stop, as the spread of the coronavirus disease (COVID-19) continues, in San Jose, Costa Rica July 24, 2020. REUTERS/Juan Carlos Ulate

A man wearing a protective face mask sprays a passenger bus, as the spread of the coronavirus disease (COVID-19) continues, in San Jose, Costa Rica July 24, 2020. REUTERS/Juan Carlos Ulate