More than 35,000 cases of the mosquito-borne disease have been reported on the French Indian Ocean island since August 2024.
Both the CDC and NIH face cuts of more than 40%, according to an internal Trump administration document.
The group recommended RSV vaccination for more at-risk adults and took into account a safety consideration for seniors for the first-approved chikungunya vaccine.
The approval is the first for a chikungunya-endemic country.
New Mexico now has 3 cases in Lea County, which borders a Texas county where a larger outbreak is under way.
The estimated financial toll of chikungunya is $50 billion, with $25 billion each spent on chronic disease and on acute illness.
The authors of the pandemic readiness report point to surges of H5N1 in mammals and of mpox deaths in DR Congo children as some of the latest threats in the face of preparedness gaps.
On average, the 102 joint-pain patients reported pain for over 4 months.
The recommendation applies to people traveling to outbreak areas and others at extra risk from the virus.
The study underscores the need for equitable access to vaccines, effective drugs, and mosquito-control efforts, the authors say.
