2024 Yes https://doi.org/10.1186/s12879-024-10079-8 Peng, Jia-Le Asia Observational Epidemiology Study Students Staff Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Viruses Other Influenza-like cases Outbreak Epidemic characteristics Schools This retrospective study analyzed influenza outbreaks in Jiangsu schools from 2020–2023, examining size, characteristics, and virus type. Findings support improved vaccination and targeted public health strategies to prevent school-based transmission.