Valneva Reports Positive 12-Month Antibody Persistence Data for Single-Shot Chikungunya Vaccine Candidate
The antibody persistence trial enrolled 363 healthy adult participants and followed them from month 6 after vaccination to month 12.
- The antibody persistence trial enrolled 363 healthy adult participants and followed them from month 6 after vaccination to month 12.
- These antibody levels confirm the antibody persistence profile observed in an earlier study3.
- The antibody persistence was similar in older adults aged ≥65 years, who retained neutralizing antibody titers comparable to younger adults throughout the follow-up.
- VLA1553 is a live-attenuated, single dose vaccine candidate targeting the chikungunya virus, which has spread to over 100 countries.