Cohort profile: evaluation of immune response and household transmission of SARS-CoV-2 in Costa Rica: the RESPIRA study. - Loria V; Aparicio A; Hildesheim A; Cortés B; Barrientos G; Retana D; Sun K; Ocampo R; Prevots DR; Zúñiga M; Waterboer T; Wong-McClure R; et al. (BMJ open, 2023)