Health communication is most effective when people receive, understand, and trust information in the language they use in everyday life. Across Africa and many low-resource settings, a significant proportion of the population has limited proficiency in official languages such as English, French, or Portuguese. Consequently, health messages delivered only in these languages may fail to achieve their intended impact.
The COVID-19 pandemic illustrated this challenge. In several African countries, misinformation spread rapidly where official health guidance was not available in local languages. Conversely, communities that received translated messages through local radio stations, community leaders, and faith-based organizations demonstrated better understanding of preventive measures and vaccine information.
LOCAL LANGUAGES AS A HEALTH SYSTEMS STRENGTHENING TOOL
Language is not merely a communication issue; it is a health systems issue. Effective primary healthcare depends on accurate information exchange between providers and communities. When patients can describe symptoms in their native language and understand treatment instructions, diagnostic accuracy, treatment adherence, and patient satisfaction improve.
In Nigeria, community health programmes addressing maternal and child health have achieved higher uptake when counselling was conducted in Hausa, Igbo, Yoruba, and other indigenous languages. Similar experiences have been reported in Ethiopia, where health extension workers communicate in local languages spoken within their service areas, contributing to improvements in immunization coverage and maternal health service utilization.
Research published by UNESCO estimates that approximately 40% of the global population lacks access to education in a language they fully understand. This challenge extends to health literacy, influencing health-seeking behaviour and utilization of services.
SUSTAINABILITY AND COMMUNITY OWNERSHIP
Sustainable health interventions require community ownership. Local-language communication strengthens trust, social participation, and accountability. Communities are more likely to engage with health programmes when information reflects their linguistic and cultural realities.
During polio eradication efforts in northern Nigeria, community mobilizers used local languages and culturally appropriate messaging to address vaccine hesitancy. This approach contributed to increased acceptance of immunization campaigns and supported Nigeria’s certification as free of wild poliovirus in 2020.
An elderly woman in rural southeastern Nigeria once explained to a health educator that she finally understood hypertension after hearing it discussed during a village meeting in Igbo rather than English. Her experience reflects a broader lesson: comprehension drives action.
DEVELOPMENT IMPLICATIONS
Language-inclusive health communication contributes to Universal Health Coverage, stronger health systems, and improved equity. Investments in translation, interpretation services, local-language radio programming, and multilingual health materials are relatively low-cost interventions with substantial developmental returns.
Health information that people cannot understand has limited value. Health information communicated in familiar languages becomes a practical tool for disease prevention, service utilization, and community resilience.
Adopted from HIFA (https://www.hifa.org/): Written by Dr. Uzodinma Adirieje is member of HIFA; a leading voice in health education, community health, and advocacy, with decades of experience advancing people-centered development across Africa and beyond.
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