By Kabir Ahmed

As the world marks World AIDS Day 2024, the focus has turned toward the scientists and public health professionals shaping the next phase of HIV prevention and care. Among them is Dr. Oluwaseun Badru, a Nigerian global health researcher whose work in the United States is influencing community-based HIV testing models across Africa.

Dr. Badru, a doctoral researcher at the University of Iowa College of Public Health, has been at the forefront of research into HIV self-testing and mobile health (mHealth) interventions, exploring how technology can bridge testing gaps among young adults and vulnerable populations. His work has been featured in several international collaborations examining how behavioral science and data-driven tools can expand access to early testing and treatment in low-resource settings.

“Testing is the foundation of HIV prevention,” Dr. Badru said in a recent discussion with Vanguard. “What we’ve learned over the past decade is that stigma and accessibility remain major barriers. By using self-testing kits and mobile platforms, we can reach individuals who would otherwise never get tested, especially in remote or underserved communities.”

According to the Joint United Nations Programme on HIV/AIDS (UNAIDS), Nigeria accounts for the fourth-largest number of people living with HIV globally, with young people and women disproportionately affected. While the country has made progress in reducing new infections, access to regular testing and early diagnosis remains uneven.

Experts say that researchers like Dr. Badru represent a new generation of global health professionals bringing an African perspective to international research while ensuring that solutions remain locally relevant. His studies, conducted in collaboration with multidisciplinary teams in the U.S. and Nigeria, focus on how social behavior, stigma, and technology interact to shape health outcomes.

Before joining the University of Iowa, Dr. Badru worked on several community health and reproductive programs across Nigeria, focusing on adolescent health and HIV prevention. Those early experiences, he said, continue to shape his current work.

“The issues we face in global health are interconnected,” he explained. “A policy designed in Washington or Geneva has little impact unless it reflects realities in places like Lagos or Ibadan. That’s why research that includes local voices is essential because it ensures interventions are sustainable.”

Global organizations have echoed the need for African leadership in HIV research. The World Health Organization’s Global HIV Strategy (2021–2026) calls for more regional ownership of prevention efforts, emphasizing community-led approaches and digital health innovations. Dr. Badru’s research aligns with this framework, examining how health technologies such as mobile reminders, virtual counselling, and anonymous self-reporting can strengthen HIV response systems.

“Digital health is not about replacing human connection,” he noted. “It’s about using technology to enhance it. In many parts of Africa, mobile phones have become powerful tools for health communication, education, and service delivery.”

The broader Nigerian public health community is also taking note. Experts at the National Agency for the Control of AIDS (NACA) have stressed the importance of integrating digital solutions into testing and care systems. With over 1.8 million Nigerians living with HIV, according to 2023 data, innovations that make testing easier, safer, and more private could accelerate national goals toward ending the epidemic.

According to public health experts, diaspora researchers like Badru are helping to close critical gaps in how HIV programs are designed and implemented. Their work brings together scientific rigor and cultural understanding, ensuring that interventions are not merely adapted from Western models but built as hybrid systems that reflect African realities and public health needs.

As Nigeria’s health system continues to recover from the disruptions caused by the COVID-19 pandemic, the integration of research-driven innovation has become more urgent. Analysts believe that locally informed, evidence-based public health strategies are key to achieving the 95-95-95 UNAIDS targets, ensuring that 95 percent of people living with HIV know their status, 95 percent receive sustained treatment, and 95 percent achieve viral suppression.

Dr. Badru remains optimistic about what lies ahead. “We’re moving toward a future where health systems are smarter, more inclusive, and more connected,” he said. “But science alone is not enough. We need trust, community engagement, and the political will to make these innovations accessible to all.”

As the world marks another World AIDS Day, his message resonates: the fight against HIV is not just about medicine, it is about the mind-set and ensuring that the people most affected are part of the solution.