Brazilian dengue vaccine 80% effective after five years

The single-dose dengue vaccine developed in Brazil shows continued strong protection against both severe and symptomatic dengue five years after administration. — Comunicação Butantan

The dengue vaccine developed by the Butantan Institute in São Paulo, Brazil was 80.5% effective against severe dengue cases over a five-year period.

It was also 65% effective in preventing symptomatic dengue.