Legal analysis: For the same class or dormitory (or collective unit) with more than 1 0 new influenza-like cases (or more than 20% of the class size) within1day.

Or the same class or dormitory (or collective unit) has accumulated more than 20 cases (or more than 30% of the class number) of influenza-like cases in the same class within 3 days, and classes can be suspended immediately. If the number of classes suspended exceeds 50% of the class number in this grade, classes can be suspended immediately.

Legal basis: The classes, grades and schools of the Work Plan for Prevention and Control of Influenza A in Schools (Trial) (subject to the confirmed cases detected in the laboratory) are still strictly implemented according to the regulations, and the number of new influenza-like cases in the same class or in the same class 1 day exceeds 10 (or exceeds the number of classes)

Or the same class or dormitory (or collective unit) has accumulated more than 20 cases (or more than 30% of the class number) of influenza-like cases in the same class within 3 days, and classes can be suspended immediately. If the number of classes suspended exceeds 50% of the class number in this grade, classes can be suspended immediately.