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China's Ruili launches second citywide nucleic acid testing

A medical worker scans QR code on the mobile phone screen for registration before a resident receives nucleic acid testing for COVID-19 at Munao community, Ruili City, southwest China's Yunnan Province, April 6, 2021. Ruili City in southwest China's Yunnan Province on Tuesday launched the second round of nucleic acid testing that includes all residents of the city proper. (Xinhua/Chen Xinbo)

[ Editor: SRQ ]