epidemic situation. Shehong wanda plaza is located in Wuanhe Street, Shehong City, Suining City, Sichuan Province. According to the announcement issued by the epidemic prevention and control headquarters of Suining City, Sichuan Province, on August 28, 222, after receiving the information of a close contact, Shehong City CDC immediately organized emergency response work such as flow adjustment, sampling and disinfection. After investigation, it was found that the patient's activity track included Shehong wanda plaza, Yehai Bar and other places, and emergency blockade was implemented to control the spread of the epidemic. The general public is requested to immediately conduct self-examination against the activity tracks of the above close contacts. If there is any intersection, please report to the community as soon as possible, wear a mask and conduct nucleic acid testing as soon as possible.