Katherin Contreras-Ramírez

Sexual Behaviors and Factors Associated with Condomless Sexual Practice in Colombian Men Who Have Sex with Men at High Risk of HIV Transmission

W. Zapata, Juan C. Hernández, Lizdany Flórez-Álvarez, 2021, Archives of Sexual Behavior.

Seronegative MSM at high risk of HIV-1 acquisition show an immune quiescent profile with a normal immune response against common antigens

M. Rojas, W. Zapata, Juan C. Hernández, 2021, bioRxiv.