Butantan Institute

This study tests whether a two-dose regimen of the Butantan-DV dengue vaccine, given nine months apart, produces a stronger immune response than a single dose in children and adolescents aged 2 to 17 who have never had dengue. The trial also checks that the vaccine made at a new …

This Phase 3 trial will test whether giving the dengue and chikungunya vaccines at the same time is as safe and effective as giving them separately. The study involves 900 healthy adults aged 18 to 59 who have never been exposed to either virus. Researchers will measure immune re…