沈阳通报一起突发公共卫生事件

Core Points - A public health incident occurred at Shenyang Normal University, with 2,087 students reporting gastrointestinal symptoms, primarily due to norovirus contamination from a self-supplied water well [1] - The outbreak has peaked, with a significant decline in new cases, reporting only 25 new cases from September 6 to September 7 [1] - Health authorities have implemented a level III public health emergency response, conducting disinfection and epidemiological investigations to identify the source of infection [1] Group 1 - The total number of students with gastrointestinal symptoms reported is 2,087, with 1,817 having recovered and 270 currently experiencing mild symptoms [1] - The outbreak was traced back to contamination in the university's third living area water supply, leading to the closure and control of the affected well [1] - The university is coordinating with water supply departments to ensure safe drinking water for students and is initiating municipal water supply connection projects [1] Group 2 - Norovirus is a common pathogen causing acute gastroenteritis, characterized by low infectious dose and strong environmental resistance, making it prone to outbreaks in closed environments like schools [2] - Symptoms of norovirus infection include nausea, vomiting, fever, abdominal pain, and diarrhea, with children primarily experiencing vomiting and adults more likely to have diarrhea [2] - Preventive measures include maintaining hand hygiene, ensuring food and water safety, isolating infected individuals, cleaning and disinfecting environments, and promoting healthy lifestyle practices [2]