In this July 5, 2021, file photo released by Xinhua News Agency, a medical worker collects a swab sample for nucleic acid test in Ruili City of southwest China's Yunnan Province. Everyone in a county in China's southwest near Myanmar will be tested for the coronavirus following a spike in infections, the government announced Saturday, July 24, 2021. (Wang Guansen/Xinhua via AP, File)
Featured Photo Galleries
