Enhanced protection conferred by mucosal BCG vaccination associates with presence of antigen-specific lung tissue-resident PD-1+ KLRG1− CD4+ T cells. - Bull, N. C.; Stylianou, E.; Kaveh, D. A.; Pinpathomrat, N.; Pasricha, J.; Harrington-Kandt, R.; Garcia-Pelayo, M. C.; Hogarth, P. J.; McShane, H. (Mucosal Immunology (1933-0219), 2019)