Globenewswire·2025-11-26 06:00Core Insights - Valneva SE announced positive final immunogenicity and safety data from the Phase 2 study of its Lyme disease vaccine candidate, VLA15, indicating strong immune response and favorable safety six months after a third booster dose, supporting the concept of yearly vaccinations before Lyme season [1][4][6] Company Overview - Valneva SE is a specialty vaccine company focused on developing, manufacturing, and commercializing prophylactic vaccines for infectious diseases, addressing unmet medical needs [9] - The company has advanced multiple vaccines from early R&D to approvals and currently markets three proprietary travel vaccines [10] - Valneva's commercial revenues support the advancement of its vaccine pipeline, including the only Lyme disease vaccine candidate in advanced clinical development, partnered with Pfizer [11] Vaccine Development - VLA15 is the most advanced Lyme disease vaccine candidate, with all vaccinations completed in the pivotal VALOR Phase 3 trial [2] - The vaccine targets the outer surface protein A (OspA) of Borrelia burgdorferi, the bacteria causing Lyme disease, and covers the six most prevalent OspA serotypes in North America and Europe [5] - The Phase 2 study, VLA15-221, included a pediatric population and demonstrated that antibody levels remained well above baseline across all serotypes and age groups six months after the third booster dose [6][7] Market Need - There are currently no approved human vaccines for Lyme disease, with approximately 476,000 cases diagnosed annually in the U.S. and 132,000 cases reported in Europe [2][8] - The geographic expansion of Lyme disease highlights the pressing medical need for vaccination, as early symptoms are often overlooked, leading to serious chronic complications if untreated [8]