Status: affected by wild poliovirus type 1 and circulating vaccine-derived poliovirus type 2

Pakistan is affected by ongoing endemic wild poliovirus transmission and circulating vaccine-derived poliovirus type 2 (cVDPV2).

The Global Polio Eradication Initiative is focusing on reaching every last child in Pakistan with vaccines, strengthening surveillance and maintaining political commitment, financial resources and technical support at all levels.

Polio this week in Pakistan

  • Four cases of wild poliovirus type 1 (WPV1) case were reported: one in Sindh and three in Khyber Pakhtunkhwa province. This brings the number of 2020 cases to 36 while the total number of 2019 cases remains 146.
  • Nine WPV1 positive environmental samples were reported: Seven in Sindh and two in Punjab.
  • Eight cVDPV2 cases were reported: Five in Khyber Pakhtunkhwa province, one in Khyber Pakhtunkhwa Tribal Districts and two Punjab.
  • Read the latest polio snapshot from Pakistan to see information on cases, surveillance and vaccination campaigns.

International Health Regulations

Pakistan is classified by the International Health Regulations (IHR) as a state infected with WPV1, cVDPV1 or cVDPV3 with potential risk of international spread, with potential risk of international spread.  It is therefore subject to temporary recommendations as of December 2019.

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Key at-risk: no longer poliovirus-infected, but at high risk of outbreaks
Outbreak: has stopped indigenous WPV circulation but affected by outbreak of imported WPV or circulating vaccine-derived poliovirus
Endemic: has never stopped indigenous wild poliovirus (WPV) circulation

Travel Recommendations

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.

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