1. Raskin R . Talk of growing viral “tripledemic” stokes fears of new school closures New York. The Sun, Available: https://www.nysun.com/article/talk-of-growing-viral-tripledemic-stokes-fears-of-new-school-closures
2. Paul J . “Tripledemic” warning as urgent action needed to prevent school closures. The Express; 2023. Available: https://www.express.co.uk/news/science/1724054/schools-tripledemic-covid-flu-scarlet-fever-rsv-dr-stephen
3. A global panel database of pandemic policies (oxford COVID-19 government response tracker);Hale;Nat Hum Behav,2021
4. School closure during the coronavirus disease 2019 (COVID-19) pandemic: an effective intervention at the global level?;Esposito;JAMA Pediatr,2020
5. Ager P , Eriksson K , Karger E , et al . School closures during the 1918 flu pandemic. Rev Econ Stat 2020:1–28. doi:10.1162/rest_a_01170