Safety and immunogenicity of the tetravalent, live-attenuated dengue vaccine Butantan-DV in adults in Brazil: a two-step, double-blind, randomised placebo-controlled phase 2 trial - Kallás, Esper Georges; Precioso, Alexander Roberto; Palacios, Ricardo; Thome, Beatriz; Braga, Patricia Emilia; Vanni, Tazio; Campos, Lucia M. A; Ferrari, Lilian; Mondini, Gabriella; Kalil Filho, Jorge Elias (Lancet infectious diseases, 2020)