AUTHOR=Peng Yuan , Tao Tao , Yu Ni-Wen , Xu Chenyang , Chen Cheng TITLE=Identification of circulating Tfh/Th subsets as a biomarker of developed hospital-acquired pneumonia JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1513939 DOI=10.3389/fimmu.2025.1513939 ISSN=1664-3224