Nigeria, June 5 -- Billionaire philanthropist Bill Gates has reaffirmed that strengthening primary healthcare systems remains the most effective strategy for improving health outcomes and closing the gap in global health inequality.

Mr Gates, chair Gates Foundation made this known on Thursday during the Goalkeepers Nigeria event held in Lagos State on Wednesday.

He said despite decades of progress, most child deaths under five still occur in low-income countries.

He also noted that children born in Africa are still 50 times more likely to die before the age of five than those in high-income countries.

Mr Gates urges leaders to intensify efforts to strengthen health systems and save lives.

He also commended governments like Gombe Stat...