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Progress Toward Poliomyelitis Eradication ― Afghanistan, January 2020–November 2021
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1 21 2022
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Source: MMWR Morb Mortal Wkly Rep. 71(3):85-89
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Alternative Title:MMWR Morb Mortal Wkly Rep
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Description:Wild polioVirus types 2 and 3 were declared eradicated in 2015 and 2019, respectively, and, since 2017, Transmission of wild polioVirus type 1 (WPV1) has been detected only in Afghanistan and Pakistan. In 2020, these countries reported their highest number of WPV1 cases since 2014 and experienced outbreaks of type 2 circulating vaccine-derived polioVirus (cVDPV2)* (1); in Afghanistan, the number of WPV1 cases reported increased 93%, from 29 in 2019 to 56 in 2020, with 308 cVDPV2 cases reported. This report describes the activities and progress toward polio eradication in Afghanistan during January 2020-November 2021 and updates previous reports (2-4). Despite restrictions imposed by antigovernment elements since 2018, disruption of polio eradication efforts by the COVID-19 pandemic, and civil and political instability, eradication activities have resumed. During January-November 2021, four WPV1 cases and 43 cVDPV2 cases were detected, representing decreases of 93% from 56 and 85% from 281, respectively, during the same period in 2020. After the assumption of nationwide control by the current de facto government of Afghanistan during August 2021, health officials committed to oral polioVirus vaccine (OPV) campaigns nationwide, with the potential to vaccinate approximately 2.5 million children against polioVirus who were previously not accessible for ≥2 years. Although challenges remain, vigorous, sustained polio eradication efforts in Afghanistan could result in substantial progress toward eradication during 2022-2023.
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Pubmed ID:35051135
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Pubmed Central ID:PMC8774155
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