Neutralizing antibody titers produced by Valneva’s live attenuated, single-dose chikungunya vaccine candidate (VLA1553) held up in over 96% of trial participants after six months, the company announced Tuesday, citing a final analysis of Phase 3 data.
Seroprotection levels at the one-month mark confirmed topline data the French biotech shared in 2021: the Coalition for Epidemic Preparedness Innovations-backed shot generated neutralizing antibodies in nearly 99% of participants, the…