Polio — Nigeria
[Authors: Etsano A, Gunnala R, Shuaib F, Damisa E, Mkanda P, Ticha JM, Banda R, Korir C, Chevez AE, Enemaku O, Corkum M, Davis LB, Nganda G, Burns CC, Wassilak SGF, Vertefeuille JF]
Since the 1988 launch of global poliomyelitis eradication efforts, 4 of the 6 World Health Organization (WHO) regions have been certified polio-free (1). Nigeria is one of only 3 countries, along with Afghanistan and Pakistan, where transmission of wild poliovirus (WPV) has never been interrupted. During
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