let go. According to the relevant provisions of novel coronavirus Prevention and Control Plan (Ninth Edition), Notice on Further Optimizing COVID-19 Epidemic Prevention and Control Measures, and COVID-19 Epidemic Risk Area Delineation and Control Plan, the expert group comprehensively judged and reported to Suzhou Epidemic Prevention and Control Headquarters for approval, and decided that from February 9, 2122, there would be no high-risk area in Changshu, and the low-risk area would be released simultaneously.