A cleaning worker wearing protective gear is seen at a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

Cleaning workers wearing protective gear are seen as they clean and disinfect a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

Cleaning workers wearing protective gear are seen as they clean and disinfect a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

Cleaning workers wearing protective gear clean and disinfect a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

Cleaning workers wearing protective gear clean and disinfect a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

People wear surgical masks at a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

Cleaning workers wearing protective gear clean a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

A woman wearing a surgical mask buys fish at a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

People wear surgical masks at a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

A man wears a surgical mask as he buys food at a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

People wear surgical masks at a wet market following the coronavirus disease (COVID-19) outbreak, at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

Cleaning workers wearing protective gear walk past a wet market following the coronavirus disease (COVID-19) outbreak at Sham Shui Po, one of the oldest districts in Hong Kong, China July 17, 2020. REUTERS/Tyrone Siu 

Sundanese refugee Ayat Mohamed’s sick father sits on a wheelchair at their home in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19) in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sundanese refugee Ayat Mohamed?s sick father sits on a wheelchair at their home in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19) in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sudanese refugee, Ayat Mohamed, hangs clothes at her balcony in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19), in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sudanese refugee Howaida Abdallah, holds her son at her apartment where she lives with 10 family members in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19), in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sudanese refugee, Howaida Abdallah, looks on at her apartment where she lives with 10 family members in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19), in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sudanese refugee family sits in their living room in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19), in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sudanese refugee, Hamida Abdallah, fixes her veil in front of a mirror at her apartment in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19, in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany TPX IMAGES OF THE DAY 

Sudanese refugees siblings play a board game at their home in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19), in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sudanese refugees siblings play a board game at their home in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19), in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

Sudanese refugee, Ayat Mohamed, cooks in the kitchen with her eldest daughter in Ain Shams district, amid concerns about the spread of the coronavirus disease (COVID-19), in Cairo, Egypt, July 7, 2020. Picture taken July 7, 2020. REUTERS/Mohamed Abd El Ghany 

A health worker holds swab samples collected from people at a drive-through the coronavirus disease (COVID-19), testing unit inside the parking at the Ain Shams field hospital in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

Egyptian army members wearing protective face masks, amid concerns over the coronavirus disease (COVID-19) complete a new area at the Ain Shams field hospital prepared to receive COVID-19 patients in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

A member of medical team wearing a protective face mask to prevent the spread of the coronavirus disease (COVID-19), sprays a car in front of at the Ain Shams field hospital in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

An employee wearing a protective face mask, amid concerns over the coronavirus disease (COVID-19) walks next to beds at the Ain Shams field hospital prepared to receive COVID-19 patients in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

An employee wearing a protective face mask, amid concerns over the coronavirus disease (COVID-19) looks at a bed area at the Ain Shams field hospital prepared to receive COVID-19 patients in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

Dr. Osama Ashraf, head of the Ain Shams field hospital wearing a protective face mask, amid concerns over the coronavirus disease (COVID-19), poses for a photograph next to beds prepared to receive COVID-19 patients in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

A man reacts during testing a swab sample from a drive-through the coronavirus disease (COVID-19) testing unit inside the parking at the Ain Shams field hospital in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

A health worker wears a face shield and a face mask to prevent the spread of the coronavirus disease (COVID-19), takes a swab sample from a man at a drive-through COVID-19 testing unit inside the parking at the Ain Shams field hospital in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

An Egyptian army member wearing a protective face mask, amid concerns over the coronavirus disease (COVID-19) walks with a worker in front of a banner reading "Together for Egypt" at the Ain Shams field hospital prepared to receive COVID-19 patients in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

An employee wearing a protective face mask, amid concerns over the coronavirus disease (COVID-19) looks on at the Ain Shams field hospital prepared to receive COVID-19 patients in Cairo, Egypt June 16, 2020. REUTERS/Amr Abdallah Dalsh 

A health worker collects a sample at a drive-through COVID-19 screening center at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

A health worker is seen at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

A health worker is seen at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

A health worker checks medical equipment at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

A member of a medical team sprays a car before entering the drive-through COVID-19 screening center at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

A health worker collects a sample at a drive-through COVID-19 screening center at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

A health worker is seen at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

A health worker is seen at the Ain Shams field hospital prepared to receive COVID-19 patients, during the global outbreak of the coronavirus disease (COVID-19), in Cairo, Egypt June 15, 2020. REUTERS/Mohamed Abd El Ghany 

French health workers, wearing protective face masks, hold placards as they attend a demonstration urging the French government to provide more means and better working conditions to hospitals workers and to protest against the lack of money for French public hospitals, in front of the Robert Debre hospital in Paris following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. The placards read "Segur de la Sante (general talks on health reforms) = a sham" and "there are no magic caregivers". REUTERS/Charles Platiau 

Police fire tear gas and rubber bullets at anti-extradition bill protesters during clashes in the Sham Shui Po district of Hong Kong, China, August 14, 2019. Reuters has been awarded the 2020 Pulitzer Prize in Breaking News Photography for Hong Kong protests. REUTERS/Thomas Peter TPX IMAGES OF THE DAY 

Bahraini brothers, Ali Abdel Halim Shams (R) and Muhammed Abdel Halim Shams (L), script writers of MBC's ramadan Arabic series "Umm Haroun", pose for photo at their residence in Manama, Bahrain, April 21, 2020. Picture taken April 21, 2020. REUTERS/Hamad I Mohammed 

Bahraini brothers, Ali Abdel Halim Shams (R) and Muhammed Abdel Halim Shams (L), script writers of MBC's ramadan Arabic series "Umm Haroun", pose for photo at their residence in Manama, Bahrain, April 21, 2020. Picture taken April 21, 2020. REUTERS/Hamad I Mohammed 

An Egyptian police officer sits next to a wall painted with colors of the Egypt's flag and next to barricades placed to ensure people abide by restrictions during the national holiday of Sham el-Nessim marking the beginning of spring season, with almost empty streets to contain the spread of the coronavirus disease (COVID-19), on Nile Corniche, in Cairo, Egypt April 20, 2020. REUTERS/Amr Abdallah Dalsh 

Police officers wearing protective face masks stand guard next to barricades placed to ensure people abide by restrictions on Nile Corniche during the national holiday of Sham el-Nessim marking the beginning of spring season, with almost empty streets to contain the spread of the coronavirus disease (COVID-19) in Cairo, Egypt April 20, 2020. REUTERS/Amr Abdallah Dalsh 

Women, one of them wearing a protective face mask, walk during the national holiday of Sham el-Nessim marking the beginning of spring season, with almost empty streets to contain the spread of the coronavirus disease (COVID-19) in Cairo, Egypt April 20, 2020. REUTERS/Amr Abdallah Dalsh 

People walk next to barricades placed to ensure people abide by restrictions during the national holiday of Sham el-Nessim marking the beginning of spring season, with almost empty streets to contain the spread of the coronavirus disease (COVID-19) in Cairo, Egypt April 20, 2020. REUTERS/Amr Abdallah Dalsh 

A police officer wearing a protective face mask sits next to barricades placed there to ensure people abide by restrictions during the national holiday of Sham el-Nessim marking the beginning of spring season, with almost empty streets to contain the spread of the coronavirus disease (COVID-19) in Cairo, Egypt April 20, 2020. REUTERS/Amr Abdallah Dalsh 

A man walks in front of a currency exchange bureau with an advertisement showing an image of the U.S. dollar, with almost empty streets on the otherwise busy public holiday of Sham al-Nessim, which marks the beginning of spring season, to contain the spread of the coronavirus disease (COVID-19) in Cairo, Egypt April 20, 2020. REUTERS/Amr Abdallah Dalsh 

A general view shows Tahrir Square, which was the focal point of the January 25, 2011 Egyptian uprising that toppled autocrat Hosni Mubarak, almost empty to ensure people abide by restrictions during the national holiday of Sham el-Nessim marking the beginning of spring season, with almost empty streets to contain the spread of the coronavirus disease (COVID-19) in Cairo, Egypt April 20, 2020. REUTERS/Amr Abdallah Dalsh 

Egyptians wait outside Shaheen market for salted fish named "Fesikh", a traditional dish, which is eaten during the Sham el-Nessim holiday next week at El Sayeda Zeinab square in old Cairo, Egypt April 16, 2020. REUTERS/Amr Abdallah Dalsh 

Egyptians wait outside Shaheen market for salted fish named "Fesikh", a traditional dish, which is eaten during the Sham el-Nessim holiday next week at El Sayeda Zeinab square in old Cairo, Egypt April 16, 2020. REUTERS/Amr Abdallah Dalsh 

Jonathan Sham, a physician in surgical oncology, poses for a portrait at the University of Washington Medical Center - Montlake during the coronavirus disease (COVID-19) outbreak, in Seattle, Washington, U.S. April 15, 2020. "We are called to take care of the patients with cancer who can?t wait until after the pandemic to get treatment," he says. Picture taken April 15, 2020. REUTERS/David Ryder 

Jonathan Sham, a physician in surgical oncology, poses for a portrait at the University of Washington Medical Center - Montlake during the coronavirus disease (COVID-19) outbreak, in Seattle, Washington, U.S. April 15, 2020. "We are called to take care of the patients with cancer who can?t wait until after the pandemic to get treatment, he says." REUTERS/David Ryder 

A 3D-printed protective mask made to combat coronavirus disease (COVID-19) is seen in Oklahoma City, Oklahoma, U.S. March 27, 2020. REUTERS/Nick Oxford 

Composer Mohammad Shams performs on the piano as Iranian Americans from across California converge in Los Angeles to participate in the California Convention for a Free Iran and to express support for nationwide protests in Iran from Los Angeles, California, U.S., January 11, 2020. REUTERS/ Patrick T. Fallon 

Composer Mohammad Shams speaks as Iranian Americans from across California converge in Los Angeles to participate in the California Convention for a Free Iran and to express support for nationwide protests in Iran from Los Angeles, California, U.S., January 11, 2020. REUTERS/ Patrick T. Fallon 

A horse stands next to a model airplane on a field on the outskirts of Eden, Australia January 10, 2020. Picture taken January 10, 2020. REUTERS/Alkis Konstantinidis 

Sidqi al-Maqt celebrates together with friends and relatives after being released from the Israeli jail, in Majdal Shams near the ceasefire line between Israel and Syria in the Israeli occupied Golan Heights January 10, 2020 REUTERS/ Hamad Almakt