Brazil: Amid localized chikungunya outbreaks and ongoing Oropouche cases, PAHO urges strengthened surveillance and vector control across the Americas

Countries: Brazil, Argentina, Barbados, Bolivia (Plurinational State of), Chile, Colombia, Costa Rica, Cuba, El Salvador, Guatemala, Honduras, Paraguay, Peru, United States of America Source: Pan American Health Organization Washington, D.C., August 29, 2025 (PAHO) – The Pan American Health Organiza