AUTHOR=Zhou Bo , Xu Qi , Li Shaoli , Wang Jianhong , Liu Junting , Zhang Ting , Qu Xia , Wang Xi , Zhang Lili , Liu Xiaoli , Gu Jialu , Zhou Lijun , Chen Fangfang , Zong Xinnan , Niu Wenquan , Wang Lin TITLE=Impact of Omicron infection on childhood health: the Beijing long-COVID study JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1377745 DOI=10.3389/fpubh.2025.1377745 ISSN=2296-2565