AUTHOR=Ren Zengqiang , Du Qiaoling TITLE=The influence of COVID-19 pandemic on college students’ academic performance and the construction of a learning ability warning system JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1454406 DOI=10.3389/fpubh.2024.1454406 ISSN=2296-2565