On 15 August 2016 in Muna Garage IDP Camp, Borno state, Nigeria, a UNICEF health worker uses a pen to mark the thumb of Ajeda Mallam, 6 months, who has just been vaccinated against polio at a camp for internally displaced persons outside Maiduguri northeast Nigeria. It is her first vaccination, having been born under Boko Haram captivity. UNICEF and partners have started an emergency polio immunization campaign in Borno State, as a result of two wild poliovirus cases recently found among children in the conflict-affected area. Nigeria – and the continent – had its last confirmed polio case two years ago and was within a year of being certified polio-free.
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