 Saint - Herblain France, November 15 , 2021 Valneva SE Nasdaq: VALN; Euronext Paris: VLA, a specialty vaccine company, today announced it will present its Chikungunya vaccine candidate, VLA1553, on November 18 and 19, 2021 during the American Society of Tropical Medicine Hygiene ASTMH 2021 Annual Meeting. 