Guest Column - Malaria remains one of Kenya's greatest public health challenges, with children under five bearing the heaviest burden. The country has been at the forefront of malaria vaccine trials and was among the first three African nations to pilot the RTS,S vaccine under the Malaria Vaccine Implementation Program (MVIP). However, Kenya now finds itself lagging behind in adopting the R21/Matrix-M vaccine, a more cost-effective and scalable alternative to RTS,S, while neighboring countries forge ahead. The delay is