A woman walks past a booth showing Pfizer vaccines at the Medical Equipment and Healthcare Products Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 6, 2021.Photo:Xinhua
A visitor walks past a booth at the Medical Equipment and Healthcare Products Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 6, 2021.Photo:Xinhua
Visitors look at a portable X-ray machine at the Medical Equipment and Healthcare Products Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 6, 2021.Photo:Xinhua
A visitor experiences an interactive equipment at the Medical Equipment and Healthcare Products Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 6, 2021.Photo:Xinhua
A staff member demonstrates a mobile laboratory for PCR tests at the Medical Equipment and Healthcare Products Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 6, 2021.Photo:Xinhua
A staff member introduces a respirator at the Medical Equipment and Healthcare Products Exhibition Area of the 4th China International Import Expo (CIIE) in east China's Shanghai, Nov. 6, 2021.Photo:Xinhua