Mato Grosso do Sul chikungunya follow-up

In a follow-up on the chikungunya outbreak in the central-west Brazil state of Mato Grosso do Sul, state officials have already registered 7,599 probable cases of chikungunya, with 3,490 confirmed in SINAN (Information System for Notifiable Diseases), through the Epi week 15 in 2026, as published in the bulletin.