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Editorial
Highlights the ongoing challenge of poliomyelitis eradication in Nigeria, which remains the only country with all three circulating poliovirus types as of 2013.
The World Health Assembly launched the Global Polio Eradication Initiative in 1988 and declared the year 2000 as the target by which to achieve poliomyelitis eradication.1 After aggressive mass immunisation, backed up by effective routine immunisation, cases of poliomyelitis reduced from 350 000 in 165 countries in 1988 to 355 occurring mainly in three countries—Nigeria, Afghanistan, and Pakistan—by 2013.2 Nigeria is the only country in the world where the three poliovirus types are still circulating; as of December, 2013, it had contributed 14·1% of all poliomyelitis cases worldwide.
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Adu et al. (2014) studied this question.
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