2024 Yes Factors affecting the transmission of SARS-CoV-2 in school settings https://onlinelibrary.wiley.com/doi/10.1111/irv.12968 Yuan, Haokun Multiple Countries Review Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Viruses COVID-19 children preventive measures School secondary attack rate Analysis of 35 global school SARS-CoV-2 outbreaks shows higher community transmission and individualism increase risk, while distancing, masking, and population immunity lower it. Preschool students had lower risk than high schoolers. Prevention and vaccination reduce school transmission. 2022