A non-neutralizing antibody broadly protects against influenza virus infection by engaging effector cells. - Ko, Yi-An; Yu, Yueh-Hsiang; Wu, Yen-Fei; Tseng, Yung-Chieh; Chen, Chia-Lin; Goh, King-Siang; Liao, Hsin-Yu; Chen, Ting-Hua; Cheng, Ting-Jen Rachel; Yang, An-Suei; Wong, Chi-Huey; Ma, Che; et al. (PLoS Pathogens, 2021)