To potentially include adolescents and antibody persistence up to two years Saint Herblain (France), November 26, 2024 – Valneva SE (Nasdaq: VALN; Euronext Paris: VLA), a specialty vaccine company, today announced that it has submitted a label extension application to the U.S. Food and Drug Administration (FDA) to potentially extend the use of its chikungunya vaccine IXCHIQ®, which is currently approved in adults, to adolescents aged 12 to 17 years. The application also includes adding the two-year antibody ...