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: We conclude that SIV infection impairs the IL-17 axis, an arm of the mucosal immune response preventing systemic microbial dissemination from the gastrointestinal tract.