Radio continues to be the most accessible mass medium across rural Nigeria and has proven decisive in public-health communication during epidemics, routine immunisation drives and community health promotion. This paper develops a conceptual account of radio’s role as a “game changer” for health communication in selected rural Nigerian contexts. Drawing on diffusion of innovations, development communication and social learning theory, and synthesising evidence from national risk-communication strategies, programme evaluations and previous studies, the paper shows how radio’s reach, linguistic flexibility, cultural resonance, interactivity and low-technology requirements enable measurable improvements in awareness, knowledge, risk perception and, in many cases, behaviour. Case material includes radio-supported COVID-19 and routine immunisation efforts, BBC Media Action drama initiatives, and community radio campaigns documented in Enugu, Ebonyi, Kaduna and northern states. The paper proposes a conceptual model linking radio inputs to health outcomes through mediating mechanisms (trust, relevance, repetition and participation), and offers programmatic and policy recommendations for scaling radio-based health communication in rural Nigeria.
Sanusi et al. (Sun,) studied this question.