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Valneva and Instituto Butantan Announce Initiation of a Pilot Vaccination Campaign in Brazil with Single-Shot Chikungunya Vaccine IXCHIQ®
Lyon (France), Sao Paulo, (Brazil), February 3, 2026 –Valneva SE (Nasdaq: VALN; Euronext Paris: VLA), a specialty vaccine company and Instituto Butantan, one of the world’s largest biomedical research centers, today announced the initiation of a Pilot Vaccination Strategy (PVS) in Brazil using Valneva’s single-shot chikungunya vaccine, IXCHIQ®. The pilot vaccination program will serve as the basis for post-marketing commitment studies evaluating the effectiveness and safety of IXCHIQ® in a real-
About this update from Valneva Se
[{"type":"image","alt":"VALNEVA","displaySize":"","headline":null,"caption":"VALNEVA","className":"","disableSlideshowImg":false,"size":{"original":{"width":300,"height":44,"url":"https://media.zenfs.com/en/globenewswire.com/29df7eb71c048b91fe66a95a1cd8b1d6"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/9l2h5dKc1PlSY26lXUAWsA--/YXBwaWQ9aGlnaGxhbmRlcjt3PTQyMDtoPTYyO2NmPXdlYnA-/https://media.zenfs.com/en/globenewswire.com/29df7eb71c048b91fe66a95a1cd8b1d6","width":300,"height":44}},"lazy":false},{"type":"text","content":"Lyon (France), Sao Paulo, (Brazil), February 3, 2026 –Valneva SE (Nasdaq: VALN; Euronext Paris: VLA), a specialty vaccine company and Instituto Butantan, one of the world’s largest biomedical research centers, today announced the initiation of a Pilot Vaccination Strategy (PVS) in Brazil using Valneva’s single-shot chikungunya vaccine, IXCHIQ®. The pilot vaccination program will serve as the basis for post-marketing commitment studies evaluating the effectiveness and safety of IXCHIQ® in a real-world setting and generating real-world evidence in a large population.","length":577,"tagName":"p"},{"type":"text","content":"The PVS, agreed between the Brazilian Ministry of Health (MoH) and Instituto Butantan, will be implemented in ten Brazilian municipalities strategically selected based on epidemiological and operational criteria in support of the PVS. In line with the current IXCHIQ® label in Brazil, adults aged 18 to 59 years will be invited to participate, with the objective of achieving 20% to 40% vaccine coverage within the target population. Valneva, through its partner Instituto Butantan, will donate up to 500,000 doses of IXCHIQ® to the Brazilian MoH, for use in the program. IXCHIQ® was granted marketing approval in Brazil in individuals 18 years of age and older by the Brazilian Health Regulatory Agency (ANVISA) in April 20251, marking the world’s first approval of a chikungunya vaccine in an endemic country.","length":811,"tagName":"p"},{"type":"text","content":"Juan Carlos Jaramillo M.D., Chief Medical Officer of Valneva, said, “Contributing to this large-scale pilot vaccination strategy underscores our continued commitment to supporting global preparedness against the growing threat of chikungunya. With IXCHIQ® already available in several markets, generating robust real-world data in regions with active CHIKV transmiss...