沈阳通报一起公共卫生事件！

Core Viewpoint - A public health incident involving gastrointestinal symptoms among students at Shenyang Normal University has been reported, with a total of 2,087 cases identified, primarily linked to a contaminated water source [1] Group 1: Incident Overview - On August 31, a number of students at Shenyang Normal University presented symptoms such as vomiting and diarrhea, prompting immediate medical response from local health authorities [1] - As of September 7, 1,817 individuals have recovered, while 270 remain symptomatic, all classified as mild cases [1] - The peak of the outbreak has passed, with a significant decline in new cases observed, reporting only 25 new cases from September 6 to September 7 [1] Group 2: Response Measures - The health department has initiated a level III emergency response, conducting multiple rounds of disinfection at identified contamination points [1] - Professional teams have been mobilized for epidemiological investigations to trace the source of infection, including sampling of suspected contaminated items, environments, and individuals [1] - The outbreak has been determined to be caused by norovirus contamination from a self-supplied well at the university's third living area, which has since been sealed off [1] Group 3: Water Supply Management - The university has coordinated with water supply authorities to ensure safe drinking water for students and is working on connecting to the municipal water supply network [1]