People line up to take nucleic acid tests in Dongcheng District, Beijing, capital of China, May 5, 2022, the first workday after the five-day May Day holiday. Beijing's 12 districts have carried out three rounds of nucleic acid testing amid the COVID-19 resurgence. (Photo: China News Service/Jia Tianyong)
Photo taken on May 5, 202 shows a security guard takes nucleic acid test in Dongcheng District, Beijing, capital of China, the first workday after the five-day May Day holiday. (Photo: China News Service/Jia Tianyong)
Photo taken on May 5, 202 shows a construction worker undergoes nucleic acid test in Dongcheng District, Beijing, capital of China, the first workday after the five-day May Day holiday. (Photo: China News Service/Jia Tianyong)