Chinese security personnel wearing masks line up outside the former United States Consulate in Chengdu in southwest China's Sichuan province on Monday, July 27, 2020. Chinese authorities took control of the former U.S. consulate in the southwestern Chinese city of Chengdu on Monday after it was ordered closed in retaliation for a U.S. order to vacate the Chinese Consulate in Houston. (Photo by Ng Han Guan/AP Photo)





A demonstrator wearing a protective face shield attends a protest against Brazil's President Jair Bolsonaro in Sao Paulo, Brazil on July 26, 2020. The signs read “Out”. (Photo by Amanda Perobelli/Reuters)





Inmates protest on the roof of a San Sebastian prison, asking for better medical attention amid the pandemic and to be given the results from previously administered COVID-19 tests, in Cochabamba, Bolivia, Monday, July 27, 2020. (Photo by Dico Solis/AP Photo)





A healthcare worker measures body temperature as a precaution against the spread of the new coronavirus in COVID-19 hospital in Sarajevo, Bosnia, Monday, July 27, 2020. Regional WHO office in Bosnia expressed its concern with recent reports that medical institutions around the country are closing to maximum capacity as recent spike in COVID-19 infections are reaching record levels. (Photo by Eldar Emric/AP Photo)





Healthcare worker Dante Hills, left, passes paperwork to a woman in a vehicle at a COVID-19 testing site outside of Marlins Park, Monday, July 27, 2020, in Miami. The Marlins home opener against the Baltimore Orioles on Monday night has been postponed as the Marlins deal with a coronavirus outbreak that stranded them in Philadelphia. (Photo by Lynne Sladky/AP Photo)





A health worker prepares to collect nasal swab sample from a person for COVID-19 test at a government health center in Hyderabad, India, Monday, July 27, 2020. India is the third hardest-hit country by the pandemic in the world after the United States and Brazil. (Photo by Mahesh Kumar A./AP Photo)





Workers spray each other with disinfectant solution after unloading the body of a person who died from suspected COVID-19, at the crematorium at Xilotepec Cemetery in Xochimilco, Mexico City, Monday, July 27, 2020. (Photo by Rebecca Blackwell/AP Photo)





A health worker carries out a COVID-19 coronavirus test at a makeshift testing center in Dalian, in China's northeast Liaoning province on July 27, 2020. China recorded 61 new coronavirus cases on July 27 – the highest daily figure since April – propelled by clusters in three separate regions that have sparked fears of a fresh wave. (Photo by AFP Photo/China Stringer Network)





Nurse Kathe Olmstead, right, gives volunteer Melissa Harting, of Harpersville, N.Y., an injection as the world's biggest study of a possible COVID-19 vaccine, developed by the National Institutes of Health and Moderna Inc., gets underway Monday, July 27, 2020, in Binghamton, N.Y. (Photo by Hans Pennink/AP Photo)





A woman, wearing a mask to protect against the spread of coronavirus, gets her hair styled in a hairdresser shop in downtown Brussels, Monday, July 27, 2020. Belgian Prime Minister Sophie Wilmes unveiled Monday a new set of drastic social distancing measures aimed at avoiding a new general lockdown amid a surge of COVID-19 infections. (Photo by Francisco Seco/AP Photo)





A restaurant employee wearing a protective face mask to help curb the spread of the coronavirus offer a joss sticks on a huge incense burner in the Asakusa district in Tokyo Monday, July 27, 2020. The Japanese capital confirmed Monday more than 100 new coronavirus cases. (Photo by Eugene Hoshiko/AP Photo)





Customers sit with a teddy bear used to keep social distancing measures, during the gradual reopening of commercial activities amid the novel coronavirus pandemic, at a restaurant in Polanco neighborhood, in Mexico City, on July 26, 2020. (Photo by Pedro Pardo/AFP Photo)





Dozens of people practice martial arts before the regional Government's headquarters in Barcelona, Spain, 27 July 2020, as a protest against the closure of gyms and martial arts centers in the region imposed by the Catalan Government due to a surge in coronavirus cases. (Photo by Enric Fontcuberta/EPA/EFE)