TNFRSF13C and infection: Targeting BAFFR impairs protective antibody responses against other pathogens, including influenza virus, hepatitis B virus, borrelia hermsii infection, and parasites and fungi (Dickinson et al. 2014; Bagheri Yazdi et al. 2022; Khlaiphuengsin et al. 2020; Sakai and Akkoyunlu 2017), which increased the risk of infection.