Immune response successfully improved with second generation vaccine candidate Saint-Herblain (France), November 4, 2025 – Valneva SE (Nasdaq: VALN; Euronext Paris: VLA), a specialty vaccine company, today announced positive results of its Phase 1 clinical trial investigating the safety and immunogenicity of VLA1601, its second-generation adjuvanted inactivated vaccine candidate against the Zika virus (ZIKV). The randomized controlled Phase 1 trial, VLA1601-102, enrolled approximately 150 participants aged ...