Shandong Jining Yanzhou District reported that some teachers and students in a school had symptoms of abdominal pain and vomiting. A total of 138 people are under observation and treatment in the hospital, all with mild symptoms.

Notification from Yanzhou District, Jining City, Shandong Province: On the morning of September 12th, some teachers and students at Chaoyang School in Yanzhou District gradually developed symptoms such as abdominal pain and vomiting. The school promptly took the teachers and students to seek medical diagnosis and treatment. As of 10 pm on September 12th, 138 people are receiving observation and treatment in the hospital, all of whom have mild symptoms. After the incident, Yanzhou District immediately set up a joint disposal working group consisting of education, health, and market supervision departments to organize medical treatment, investigation of causes, etc. Based on the investigation results, strict measures will be taken against relevant responsible persons in accordance with the law and regulations.