Corrigendum: Cross-reactive humoral and CD4+ T cell responses to Mu and Gamma SARS-CoV-2 variants in a Colombian population - Martel, Fabiola; Cuervo-Rojas, Juliana; Ángel, Juana; Ariza, Beatriz; González, John Mario; Ramírez-Santana, Carolina; Acosta-Ampudia, Yeny; Murcia-Soriano, Luisa; Montoya, Norma; Cardozo-Romero, Claudia Cecilia; Valderrama-Beltrán, Sandra Liliana; Cepeda, Magda; et al. (Frontiers in Immunology, 2023)