Population
521 children aged 0-15 years with acute flaccid paralysis reported in Akwa Ibom State, Nigeria between 2004…
Design
Cohort
Authors
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Strengthens AFP surveillance evidence in Nigeria; leaves open generalizability and durability beyond this cohort.
The AFP surveillance system in Akwa Ibom State, Nigeria, demonstrated high performance and steady improvement in WHO indicators between 2004 and 2009.
Bassey et al. (2011) studied this question.
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