2024 Yes https://doi.org/10.1186/s12879-024-09938-1 de Jong, Maarten Europe Experimental Observational Students Staff Elementary (K-5) Viruses Infections Sewage sampling Passive samplers Hepatitis A Outbreak detection Sewage monitoring Using passive samplers, researchers collected 88 sewage samples near a primary school during a hepatitis A outbreak, detecting HAV RNA in 25%. Sequencing linked samples to cases, supporting wastewater surveillance to improve outbreak monitoring in schools.