FDA, CDC Halt Use of Chikungunya Vaccine in Adults 60+ After Two Deaths Reported

On May 9, 2025, the U.S. Food and Drug Administration (FDA) and the U.S. Centers for Disease Control and Prevention (CDC) recommended a temporary pause in the use of Ixchiq, a live virus vaccine designed to prevent chikungunya virus infection, in adults aged 60 years and older. The recommendation follows reports of serious post-marketing adverse […]