Navigating the waves in Colombia: a cohort study of inpatient care during four COVID-19 waves David E. Rebellón-Sánchez; Tania M. Guzmán; Sarita Rodriguez; Julio Llanos-Torres; Daniela Vinueza; Eric Tafurt; Estefanía Beltrán; Álvaro Martínez; Fernando Rosso;

Genetic diversity of HBV in indigenous populations on the border between Brazil and Bolivia Fabianne Araújo Gomes dos Santos Alves; Felipe de Souza Nogueira Lima; Jessiane Rodrigues Ribeiro; Tárcio Peixoto Roca; Alcione de Oliveira dos Santos; Luan Felipo Botelho Souza; Juan Miguel Villalobos-Salcedo; Deusilene Souza Vieira;

Acceptability of self-sampling for etiological diagnosis of mucosal sexually transmitted infections (STIs) among transgender women in a longitudinal cohort study in São Paulo, Brazil Daniel Jason McCartney; Thiago Félix Pinheiro; José Luis Gomez; Paula Galdino Cardin de Carvalho; Maria Amélia Veras; Philippe Mayaud;