
Nigeria reaches crucial polio milestone
It’s been three years since health officials last reported a case of polio caused by the wild poliovirus in Nigeria. The milestone, reached on 21 August, means that it’s possible for the entire World Health Organization (WHO) African region to be certified wild poliovirus-free next year. Nigeria’s success is the result of several sustained efforts, including domestic and international financing, the commitment of thousands of health workers, and strategies to immunize childre