Every minute a Nigerian man, woman, or child becomes infected with HIV. Soon Nigeria will be home to more people living with HIV than any other country in Africa. With 5 percent of its inhabitants already infected, Nigeria has reached the critical threshold that can catapult rates to nearly 40 percent of a country's population. The full magnitude of Nigeria's epidemic will be determined by its response now.

"AIDS in Nigeria" helps guide that response. Written by dozens of the country's leading HIV experts, the book explores the dynamics of the epidemic, analyzes prevention efforts,...