AUTHOR=Sun Hao , Huo Yuqing , Fan Zhichao TITLE=Editorial: Imaging and Mechanism of Leukocyte Recruitment and Function in Inflammation and Infections JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2021.690003 DOI=10.3389/fcell.2021.690003 ISSN=2296-634X