3,000
Participants
Start Date
February 6, 2026
Primary Completion Date
December 31, 2026
Study Completion Date
November 30, 2027
VLA1553
Single intramuscular vaccination on Day 1 with VLA1553 full dose, a lyophilized live-attenuated Chikungunya vaccine
Control
Single intramuscular vaccination on Day 1 with Nimenrix (Men ACWY vaccine), a conjugate vaccine indicated for the active immunization
Valneva Austria GmbH
INDUSTRY