A mobile lab capable of rapid nucleic acid testing is on display at the Medical Equipment and Healthcare Products Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 8, 2021. (Xinhua/Jin Liwang)
COVID-19 control and prevention at 4th CIIE
Source: Xinhua| 2021-11-08 22:08:55|Editor: huaxia
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