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

What is already known about this topic? Pakistan is one of two countries (including Afghanistan) where wild poliovirus type 1 (WPV1) transmission has never been interrupted. What is added by this report? WPV1 cases in Pakistan decreased from 147 in 2019 and 84 in 2020 to a single case in 2021 but in...

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Published in:MMWR. Morbidity and mortality weekly report 2022-10, Vol.71 (42), p.1313-1318
Main Authors: Mbaeyi, Chukwuma, Baig, Shahzad, Safdar, Muhammad Rana, Khan, Zainul, Young, Hamish, Jorba, Jaume, Wadood, Zubair M, Jafari, Hamid, Alam, Muhammad Masroor, Franka, Richard
Format: Article
Language:English
Subjects:
Full Report
Immunization
Measles
Poliomyelitis
Provinces
Public health
Rubella
Surveillance
Vaccination
Vaccines
Viruses
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Summary:What is already known about this topic? Pakistan is one of two countries (including Afghanistan) where wild poliovirus type 1 (WPV1) transmission has never been interrupted. What is added by this report? WPV1 cases in Pakistan decreased from 147 in 2019 and 84 in 2020 to a single case in 2021 but increased to 14 cases in 2022 as of July 31. These 14 WPV1 cases are clustered among children in southern Khyber Pakhtunkhwa province, many of whom have never received poliovirus vaccine (zero-dose children). What are the implications for public health practice? Ensuring the highest quality vaccination activities in priority areas of Pakistan will enable the polio program to improve the chances of interrupting ongoing transmission of WPV1.
ISSN:0149-2195
1545-861X
DOI:10.15585/mmwr.mm7142a1