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Chikungunya At US CDC: Bavarian Nordic’s Vimkunya Recommended, Valneva’s Ixchiq Adjusted

 
• By Bridget Silverman

Bavarian Nordic's Vimkunya added the US CDC immunization committee's recommendation to its FDA approval, while Valneva's Ixchiq faces a precaution for use in people aged 65 and older.

Two chikungunya vaccines are now approved by the US FDA, but the CDC recommendations have some differences (Shutterstock)
Key Takeaways
  • US CDC's Advisory Committee on Immunization Practices voted 14-0 with 1 abstention to recommend Bavarian Nordic's Vimkunya for persons ≥12 years traveling to a chikungunya outbreak area; Vimkunya may be considered for extended travel to areas without an outbreak but with elevated risk.
  • Vimkunya also earned a recommendation for laboratory workers with potential exposure to chikungunya virus on a 14-0 vote, with 1 abstention

The terms of the faceoff between the two US Food and Drug Administration-approved chikungunya vaccines shifted more favorably towards

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