text_1: Depletion of T-helper 17 (Th17) cells during simian immunodeficiency virus (SIV) infection increases dissemination of Salmonella Typhimurium from the gut.
text_2: IL-17 receptor–deficient mice showed increased systemic dissemination of S. typhimurium from the gut, suggesting that IL-17 deficiency causes defects in mucosal barrier function.