Valneva Initiates Pilot Chikungunya Vaccination Campaign in Brazil with 500,000 Doses

summarizeSummary

Valneva, in partnership with Instituto Butantan, has launched a pilot vaccination strategy in Brazil for its single-shot chikungunya vaccine, IXCHIQ®, involving the donation of up to 500,000 doses to generate real-world effectiveness and safety data.

check_boxKey Events

• Pilot Vaccination Campaign Launched

  Valneva and Instituto Butantan initiated a Pilot Vaccination Strategy (PVS) in Brazil for the single-shot chikungunya vaccine, IXCHIQ®, in ten strategically selected municipalities.

• Strategic Dose Donation

  Valneva, through Instituto Butantan, will donate up to 500,000 doses of IXCHIQ® to the Brazilian Ministry of Health for use in the program, targeting 20% to 40% vaccine coverage in adults aged 18 to 59 years.

• Real-World Data Generation

  The PVS will serve as the basis for post-marketing commitment studies, evaluating the vaccine's effectiveness and safety in a real-world setting and generating critical evidence in a large population.

• Follows Brazilian Approval

  This initiative follows the marketing approval of IXCHIQ® in Brazil in April 2025, marking the world's first approval of a chikungunya vaccine in an endemic country.

auto_awesomeAnalysis

This filing signals a significant step forward for Valneva's chikungunya vaccine, IXCHIQ®, in a key endemic market. The initiation of a pilot vaccination campaign in Brazil, involving a substantial donation of up to 500,000 doses, is a strategic move to generate crucial real-world effectiveness and safety data. This program, conducted in collaboration with Instituto Butantan and the Brazilian Ministry of Health, is vital for establishing the vaccine's public health value and supporting future commercialization efforts in Latin America, especially following the vaccine's approval in Brazil in April 2025. This positive development provides a counterpoint to the recent withdrawal of the U.S. Biologics License Application for the same vaccine, demonstrating continued progress in other global markets.