On December 5, after a review by the Center for Disease Control and Prevention in Quanzhou City, Fujian Province, Anxi County found a positive nucleic acid test result. After preliminary investigation, it was discovered that he had just come back from abroad on December 3. Anxi County’s New Crown Pneumonia Epidemic Emergency Headquarters immediately launched an emergency plan, transferred him to designated hospitals for isolation, diagnosis and treatment, and strictly followed the relevant regulations to implement closed management and environmental disinfection of relevant places.  At present, the nucleic acid test results of close contacts that have been investigated are all negative.