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Niger

Status: imported poliovirus

In January 2006, Niger was taken off the endemic country list, having successfully interrupted indigenous wild poliovirus transmission for a period of 12 months. Since that time, Niger has been subject to repeated polio importations, due to its proximity to northern Nigeria. In all instances, adherence to international outbreak response has prevented imported polioviruses from re-establishing themselves. The dramatic decrease in new cases in northern Nigeria in 2010 has had secondary benefits for Niger, as exposure to imported viruses has decreased. Nevertheless, cases have been reported in 2010. Niger will continue to be at particular risk of re-infection until all indigenous wild poliovirus transmission has been interrupted in Nigeria.

  

Polio campaign monitoring

  

Polio this week in West Africa

  • No wild poliovirus type 1 (WPV-1) cases have been reported in West Africa in 2014. The most recent WPV-1 case in the region occurred in Tahoua province, Niger, with onset of paralysis on 15 November 2012.
  • No new cases of circulating vaccine derived polio virus (cVDPV) were reported this week. The last case of cVDPV was reported in Niger on 11 July 2013.
  • Even as polio programme staff across West Africa support efforts to control the Ebola outbreak affecting the region, a large scale synchronized vaccination campaign will be rolled out starting 19-23 September in those countries not affected by Ebola, using trivalent OPV.