Original ResearchPublished 22 September 2026Economic evaluation of primary health care integration and targeted mass drug administration in counties in western KenyaJosphat Martin Muchangi · Wyckliff Omondi · Meshack Ndirangu · Carol Karutu · Irene Chami · Gilbert Wangalwa · Michael Ofire · Robert Ofwete · Kioko Kithuki · Nelly Saiti · Samuel Kamau · Lenson Kariuki · Paul Kibati · Japheth Athanasio · Geoffrey Njuhi · Yvonne Opanga · Emmanuel Musombi · Faith Mutegi · Dollycate N. Wanja · Festus Kipkorir · Hesbon Aoko · Chitiavi JumaFrontiers in Health Servicesdoi 10.3389/frhs.2026.1858666