During the past 12 months, poliovirus has been spreading tostates in Nigeria that were previously free of poliomyelitis.Moreover, global surveillance for acute flaccid paralysis1 involving the genomic sequencing of each wild poliovirus thatis detected has demonstrated that wild poliovirus geneticallylinked to parent viruses in northern Nigeria has spread to 12other previously polio-free countries in sub-Saharan Africa.
Rumors of "contaminated" polio vaccine ignited a controversyin Kano State, in northern Nigeria, in mid-2003 and led to theimmediate and official suspension of immunization activities.Such rumors the substance of which varies from the . . . [Full Text of this Article]
Source Information
From the Polio Eradication Initiative, World Health Organization, Geneva.
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