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Status: infected by cVDPV 

Madagascar is affected by an ongoing cVDPV1 outbreak, continuing from 2014. Transmission of the virus is geographically widespread across the country.

WHO’s International Travel and Health recommends that all travellers to polio-affected areas be fully vaccinated against polio. Residents (and visitors for more than 4 weeks) from infected areas should receive an additional dose of OPV or inactivated polio vaccine (IPV) within 4 weeks to 12 months of travel.

Polio this week in Madagascar

  • No cases of circulating vaccine-derived poliovirus type one (cVDPV1) have been reported in 2016. The most recent case had onset of paralysis on 22 August 2015 from Sud-Ouest region. The total number of cVDPV1 cases for 2015 was 10. 


  • The 2015 cases are genetically linked to a case with onset of paralysis in September 2014, indicating prolonged and widespread circulation of the virus. 


  • The third Outbreak Response Assessment (OBRA) in Madagascar found that the surveillance system is not yet strong enough to conclude that polio transmission has been interrupted. Thirty-nine high-risk districts have been identified to receive focused attention.


  • Madagascar’s next Outbreak Response Assessment (OBRA) is scheduled for 19-30 August. 


  • National Immunization Days (NIDs) are planned for 9-11 November using bivalent oral polio vaccine (bOPV).

New stories for Madagascar

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