Assessing the impact of routine malaria vaccination on total disease burden in Cameroon: a nationwide difference‑in‑differences analysis using health district surveillance data (2023–2025)
Cameroon introduced the RTS, S/AS01 malaria vaccine into routine expanded immunisation (EPI) in 2024, targeting 42 priority health districts. We assessed changes in total malaria burden between intervention and non-intervention districts over 2023–2025. We conducted a retrospective, quasi-experimental, ecological longi...