Seronegative MSM at high risk of HIV-1 acquisition show an immune quiescent profile with a normal immune response against common antigens. - Ossa-Giraldo, Ana C.; Blanquiceth, Yurany; Flórez-Álvarez, Lizdany; Contreras-Ramírez, Katherin; Rojas, Mauricio; Hernandez, Juan C.; Zapata, Wildeman (PLoS ONE, 2022)