Gut microbiome composition influences immunologic alterations in the blood and gut of HIV-positive and HIV-negative men who have sex with men. - Neff CP; Siebert J; Karr M; Lippincott R; Kvaal R; Noe AT; Wall E; Nusbacher N; Fiorillo S; Fennimore BP; Campbell TB; Lozupone C; et al. (Frontiers in immunology, 2026)