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October 20, 2022MMWR Morbidity and Mortality Weekly ReportOpen Access

Progress Toward Poliomyelitis Eradication — Pakistan, January 2021–July 2022

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Why the study?

The reemergence of wild poliovirus cases in Pakistan after 14 months with no case detection uncovered transmission in southern Khyber Pakhtunkhwa province.

Population

Children and populations in Pakistan during January 2021-July 2022

Design

Surveillance report

Authors

CMChukwuma MbaeyiNational Center for Immunization and Respiratory DiseasesSBShahzad BaigAbdus Salam Centre for PhysicsMSMuhammad SafdarFederal Urdu University

Discussion

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Implication

Reemergence in core reservoirs warrants intensified microplanning; leaves open whether eradication timelines remain feasible.

Structured PICO

P
Population
Children in Pakistan, including 14 reported WPV1 cases and 400,000-500,000 children missed during nationwide polio supplementary immunization activities
I
Intervention
Polio supplementary immunization activities (SIAs)
O
Outcome
Wild poliovirus type 1 (WPV1) cases

The reemergence of WPV1 cases in Pakistan highlights the need for improved microplanning and vaccination of persistently missed children in core reservoir areas to achieve polio eradication.

Limitations

  • vaccination efforts complicated by months of flooding during the summer of 2022
  • 400,000-500,000 children continue to be missed during nationwide polio SIAs

Cite This Study

Mbaeyi et al. (2022) studied this question.

synapsesocial.com/papers/6a88ebf61a276c874728b4aahttps://doi.org/10.15585/mmwr.mm7142a1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Progress Toward Poliomyelitis Eradication — Pakistan, January 2018–September 20192019 · 26 citations
  2. 2Progress Toward Poliomyelitis Eradication — Pakistan, January 2019−September 20202020 · 27 citations
  3. 3Progress Toward Poliomyelitis Eradication — Afghanistan, January 2018–May 20192019 · 20 citations
  4. 4Progress Toward Polio Eradication — Worldwide, January 2018–March 20202020 · 84 citations
  5. 5Progress Toward Poliomyelitis Eradication — Pakistan, January 2020–July 20212021 · 28 citations