On August 3, a local asymptomatic infection was reported in Hechuan District, Chongqing. According to preliminary investigations, the person returned to Hechuan District from outside the city on July 31, and the nucleic acid test on the same day was negative. On August 3, based on laboratory test results, imaging features and clinical symptoms, after consultation with an expert group, it was determined to be an asymptomatic infection and is under medical observation. (CCTV)
