Olusula, 40, is a Community Health Extension Worker in Nigeria.

On the ground in Nigeria, one of programme officers explains why outreach is so successful: “The project was a one-stop shop which brough

SIZE defines many things about Nigeria. Being Africa’s most populous country ensures that plenty of the issues it faces are big.

The BRICS countries (Brazil, Russia, India, China, South Africa) cover more than 40% of the world’s population.