selected publications academic article Cross-reactive humoral and CD4 T cell responses to Mu and Gamma SARS-CoV-2 variants in a Colombian population 2023-1-1 Inmunidad y vacunación contra la COVID-19 2021-2-11 letter Corrigendum: Cross-reactive humoral and CD4+ T cell responses to Mu and Gamma SARS-CoV-2 variants in a Colombian population (Frontiers in Immunology, (2023), 14, (1241038), 10.3389/fimmu.2023.1241038) 2023-8-16