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A woman walks past a booth displaying Pfizer vaccines in the medical equipment and health products exhibition area of ​​the 4th China International Import Expo (CIIE) in Shanghai, east China, November 6, 2021 Photo: Xinhua
A visitor walks past a booth in the medical equipment and health products exhibition area of ​​the 4th China International Import Exhibition (CIIE) in Shanghai, east China, November 6, 2021 Photo: Xinhua
Visitors look at a portable x-ray machine in the medical equipment and health products exhibition area of ​​the 4th China International Import Exhibition (CIIE) in Shanghai, east China, November 6, 2021. Photo: Xinhua
A visitor views interactive equipment in the medical equipment and health products exhibition area of ​​the 4th China International Import Exhibition (CIIE) in Shanghai, east China, November 6, 2021. Photo: Xinhua
A staff member demonstrates a mobile laboratory for PCR testing in the medical equipment and health products exhibition area of ​​the 4th China International Import Expo (CIIE) in Shanghai, east China ), Nov. 6, 2021 Photo: Xinhua
A staff member displays a respirator at the medical equipment and health products exhibition area of ​​the 4th China International Import Exhibition (CIIE) in Shanghai, east China, November 6, 2021. Xinhua
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