The IMVACS Consortium held its Year 2 Annual Meeting on 22nd–23rd April 2026 at the Hilton Garden Inn in Lecce, Italy, in a hybrid format. It was a great opportunity to review progress, share preliminary results and experiences, and align on next steps across all study sites.

We’re proud to share that some partners from the IMVACS consortium will take part in the upcoming MSF Scientific Day on 20th May in London.

Epicentre/Médecins Sans Frontières, in collaboration with other IMVACS partners, is conducting the CoSAV-R21 trial in southern Chad to identify the most effective delivery strategy for the R21/Matrix-M™ malaria vaccine for children under five in areas with high seasonal malaria transmission. 👉 Watch the video to learn more:https://youtu.be/l-yCwbBU4jI?si=lwQmxET1NO7_TNU9

The first survey was conducted in Mali (20th Nov – 6th Dec 2025), involving 824 children (412 in the control arm and 412 in the intervention arm) across 16 clusters. In Burkina Faso (18th Nov – 3rd Dec 2025), the first survey involved 824 children (412 in the control arm and 412 in the intervention…

On 20th November 2025, the IMVACS Consortium celebrates World Children’s Day 🌍 with the release of a short video, renewing its promise, dedication, and commitment to ensuring a brighter, healthier future for children in Mali and Burkina Faso.

Fieldworkers were trained on the qualitative and quantitative components of the IMVACS trial during a workshop held in November 2025 in Bamako (Mali) and Nanoro (Burkina Faso).

Some members of our IMVACS team proudly attended the ASTMH 2025 Annual Meeting (9-13th November, Toronto), one of the leading international conferences in global health.

📅 24th October 2025📍 Dioïla District, Mali👥 Participants enrolled in the IMVACS study to date: 28,837 It’s a wrap!For this year, the IMVACS team has successfully completed all four rounds of R-21 vaccine administration — in Mali from October 9th to 13th, and in Burkina Faso from October 16th to 19th.

📅 1st October 2025📍 Dioïla District, Mali👥 Participants enrolled in the IMVACS study to date: 28,096 Back to Mali for the third page of our field diary, where the story continues to unfold.

📅 8th August 2025📍 Boussé District, Burkina Faso👥 Participants enrolled in the IMVACS study to date: 23,774 The IMVACS journey continues: our second diary page straight from the field takes us to Burkina Faso.