Attachment of Enterohemorrhagic Escherichia coli to Host Cells Reduces O Antigen Chain Length at the Infection Site That Promotes Infection Bin Liu, Chengqian Qian, Pan Wu, Xiaodan Li, Yutao Liu, Huiqian Mu, Min Huang, Yang Zhang, Tianyuan Jia, Yuanyuan Wang, Lu Wang, Xiao Zhang, Di Huang, Bin Yang, Lu Feng, Lei Wang mBio 2021 Dec 21;12(6):e0269221