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FILE - Residents from the Alexandra township in Johannesburg gather in a stadium to be tested for COVID-19 Wednesday, April 29, 2020. (AP Photo/Jerome Delay, File)
FILE - An employee takes the fingerprints of a woman who died from the new coronavirus before her remains are cremated at La Recoleta crematorium in Santiago, Chile, Saturday, June 27, 2020. Countries are still struggling to come up with an agreed-upon plan for how the world might respond to the next global outbreak. A ninth and final round of talks involving governments, advocacy groups and others to finalize a “pandemic treaty” is scheduled to end Friday, May 10, 2024. (AP Photo/Esteban Felix, File)
FILE - A man reacts as a nasal swab sample is collected from him to test for a COVID in Bangkok, Thailand, Wednesday, May 6, 2020. (AP Photo/Gemunu Amarasinghe, File)
FILE - A cargo flight containing over 6 million medical items including face masks, test kits, face shields and protective suits arrives in the capital Addis Ababa, Ethiopia Sunday, March 22, 2020. The supplies arriving from Guangzhou, China for fighting the spread in Africa of the COVID-19 coronavirus were donated by the Jack Ma Foundation and Alibaba Foundation and will be distributed from Ethiopia to countries throughout Africa. (AP Photo/Mulugeta Ayene, File)
FILE - Vials of the CoronaVac COVID-19 vaccine are pictured at the Saidal factory in Constantine, Algeria, on Wednesday, Sept. 29, 2021, as the country's first home-produced coronavirus vaccines came off the assembly line as part of a cooperation deal with the makers of China's Sinovac vaccine. (AP Photo, File)
FILE - Medical staff wait for the next in line for a throat and nasal swab at a COVID-19 testing facility of the Municipal Health Authority GGD, in Utrecht, Netherlands, Wednesday, Dec. 16, 2020. (AP Photo/Peter Dejong, File)
FILE - Hundreds of beds are lined up at a temporary field hospital set up at the Asia World Expo in Hong Kong, Saturday, Aug. 1, 2020. (AP Photo/Kin Cheung, File)
FILE - A man wearing a face masks travels in a virtually empty metro in Brussels, Thursday, March 19, 2020, during lockdown measures following in the steps of European neighbours Italy, Spain and France. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (AP Photo/Francisco Seco, File)
FILE - Sri Lankan health workers carry the body of a person to test for COVID-19 before handing over them to families in Colombo, Sri Lanka, Wednesday, Aug. 11, 2021. (AP Photo/Eranga Jayawardena, File)
FILE - Men in personal protective suits cremate the bodies of COVID-19 victims as the number of deaths rise near Pashupatinath temple in Kathmandu, Nepal, Wednesday, May 5, 2021. (AP Photo/Niranjan Shrestha, File)
FILE - A woman wearing a protective face mask stands near a fire lit next to her brother's grave in a cemetery in Herasti, Romania, during a Orthodox Palm Sunday memorial for the departed on Saturday, April 11, 2020. The cemetery, usually crowded for the Palm Sunday ritual, which gathers believers before midnight to light fires at the graves and share food in memory of their dead relatives, was nearly empty as people observed the interdiction to join religious celebrations in the week leading to the Orthodox Easter imposed across Romania as authorities try to limit the spread of the COVID-19 coronavirus. (AP Photo/Vadim Ghirda, File)
FILE - The body of a COVID-19 victim waits to be retrieved from the morgue, after she passed away the previous night at Clinicas Hospital in San Lorenzo, Paraguay, Monday, April 26, 2021. (AP Photo/Jorge Saenz, File)
FILE - Workers in a Molecular Biology Lab in the SinoVac vaccine factory in Beijing on Thursday, Sept. 24, 2020. (AP Photo/Ng Han Guan, File)
FILE - A woman wearing white protective gear mourns after a glimpse of her husband's body, a victim of COVID-19, at a cremation ground in Gauhati, India, Thursday, Sept. 10, 2020. (AP Photo/Anupam Nath, File)
FILE - A man crosses a street against the backdrop of One World Trade Center at dusk in New York, on Saturday, March 21, 2020. (AP Photo/Wong Maye-E, File)
FILE - Relatives attend a burial service of a person who died from complications related to COVID-19 at the Vila Formosa cemetery in Sao Paulo, Brazil, Thursday, March 11, 2021. (AP Photo/Andre Penner, File)