Valneva Reports Further Positive Results for Its Chikungunya Vaccine Candidate

Phase 1 unblinded results up to month 7 showed an excellent immunogenicity and safety profile confirming Valneva´s unique, single-shot vaccine candidate.

These results strongly support further development acceleration.

VLA1553 was generally safe in all dose groups.

  • Well-tolerated in the low and medium dose (Superior safety profile, including viremia, compared to the high dose group)
  • Excellent local tolerability

Excellent immunogenicity profile in all dose groups after a single vaccination

  • 100% Seroconversion1 achieved at Day 14 after a single vaccination in all dose groups
  • Sustained at 100% after six months

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