A vaccine-derived polio outbreak in Northern Nigeria threatens global eradication efforts.
Vaccine-derived polio outbreaks warrant sustained surveillance in low-immunity regions; leaves open optimal vaccine strategies for eradication.
Northern Nigeria has been hit by one of the largest known outbreaks of poliomyelitis caused by the live polio vaccine itself. The ongoing outbreak could be a serious setback for the global polio eradication campaign: It is occurring in a region where rumors about vaccine safety derailed vaccination efforts several years ago.
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Leslie Roberts (2007) studied this question.
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