A media staff learns about the AI COVID-19 prevention and control platform rolled out by the IntelliFusion company during the 22nd China Hi-Tech Fair (CHTF) in Shenzhen, south China, Nov. 11, 2020.
The products on COVID-19 prevention and control technology showcased during the 22nd CHTF have drawn great attention from visitors. (Xinhua/Mao Siqian)