PAHO warns of sustained increase in chikungunya cases

WASHINGTON – The Pan American Health Organization (PAHO) has issued an alert following a sustained increase in chikungunya cases in several countries in the Americas since late 2025 and into early this year.

In Guyana, French Guiana, and Suriname, detections in 2025 and 2026 indicate the resumption of transmission after a decade without reported cases.

PAHO said that the alert also highlights the re-emergence of local transmission in areas that had not reported virus circulation in...