A medical worker guides a citizen at a mobile nucleic acid testing site in Hong Kong, south China, April 19, 2022. On Tuesday, Hong Kong registered 320 new COVID-19 cases by nucleic acid tests, and 280 additional positive cases through self-reported rapid antigen tests, official data showed. (Xinhua/Lo Ping Fai)
A citizen takes COVID-19 nucleic acid test at a mobile nucleic acid testing site in Hong Kong, south China, April 19, 2022. On Tuesday, Hong Kong registered 320 new COVID-19 cases by nucleic acid tests, and 280 additional positive cases through self-reported rapid antigen tests, official data showed. (Xinhua/Lo Ping Fai)
