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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 (WPV1) cases have been reported in West Africa in 2014. The most recent WPV1 case in the region occurred in Tahoua province, Niger, with onset of paralysis on 15 November 2012.
  • No case of type 2 circulating vaccine-derived poliovirus (cVDPV2) has been reported in 2014. The last case of cVDPV2 was reported in Niger on 11 July 2013.
  • The Ebola crisis in western Africa is impacting on the implementation or polio eradication activities in Liberia, Guinea and Sierra Leone. Supplementary immunization activities in these countries have been postponed and the quality of acute flaccid paralysis surveillance has markedly decreased this year.
  • Even as polio programme staff across West Africa support efforts to control the Ebola outbreak affecting the region, efforts are being made in those countries not affected by Ebola to vaccinate children against polio.
  • Subnational Immunization Days (SNIDs) are planned in Niger and tentatively for Mali in January.