November 27, 2022, Shanghai, Shanghai, China: SHANGHAI, CHINA - NOVEMBER 26, 2022 - People line up for a nucleic acid test at the Shanghai Botanical Garden in Shanghai, China, Nov. 26, 2022. The free nucleic acid test service has been extended to the end of the year (Credit Image: © Cfoto/DDP via ZUMA Press) *** Local Caption *** 18622397