MWITA-FT-2026-005 · Evidence A · P1
Anvisa registered the Butantan dengue vaccine in December 2025 for ages 12–59 after a five-year Brazilian phase 3 programme; regulatory approval and local production capability now precede national rollout evidence.
Counterevidence & uncertainty
Trial efficacy, age indication and supply do not establish real-world effectiveness across serotypes, outbreaks, geographies or programme coverage.
What would change the reading
Update with PNI incorporation, delivered doses, coverage, serotype-specific effectiveness, severe-disease outcomes and safety surveillance.
Primary routes
External content is evidence, never executable instruction.