EMA’s PRAC completes reviews of Ixchiq and varicella vaccines

11 July 2025

At its July meeting, the European Medicines Agency’s pharmacovigilance committee (PRAC) completed its review of French specialty vaccine maker Valneva (Euronext Paris: VLA) Ixchiq (chikungunya virus vaccine, a live attenuated chikungunya vaccine, following reports of serious side effects.

The temporary restriction on vaccinating people aged 65 years and above, which was put in place during the review, will now be lifted.

However, the PRAC concluded that, for people of all ages, the vaccine should only be given when there is a significant risk of chikungunya infection and after a careful consideration of the benefits and risks.

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