Evaluation of the first malaria vaccine introduction: ongoing learning opportunities during the introduction into routine immunisation in Cameroon

Cameroon's MVI was largely successful, despite vaccine misinformation, demonstrating the importance of community dialogue and engagement in successful vaccine introduction. The mini-PIE methodology is recommended for other countries to adopt 4-6 months after introduction, including field work tailored to country needs and thorough desk review of key indicators conducted in advance to inform the facilitated discussion.