Since the launch of the Global Polio Eradication Initiative (GPEI) in 1988 the global incidence of poliomyelitis has fallen by nearly 99 %. From a situation where wild type poliovirus was endemic in 125 countries across five continents, transmission is now limited to regions of just three countries - Pakistan, Afghanistan and Nigeria. A sharp increase in Pakistan's poliomyelitis cases in 2014 prompted the International Health Regulations Emergency Committee to declare the situation a 'public health emergency of international concern'. Global polio eradication hinges on Pakistan's ability to address the religious, political and socioeconomic barriers to immunisation; including discrepancies in vaccine coverage, a poor health infrastructure, and conflict in polio-endemic regions of the country. This analysis provides an overview of the GPEI, focusing on the historical and contemporary challenges facing Pakistan's polio eradication programme and the impact of conflict and insecurity, and sheds light on strategies to combat vaccine hesitancy, engage local communities and build on recent progress towards polio eradication in Pakistan.
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http://dx.doi.org/10.1186/s12992-016-0195-3 | DOI Listing |
Pan Afr Med J
December 2024
World Health Organization, Expanded Programme on Immunization, Maternal Child Health and Nutrition, Addis Ababa, Ethiopia.
Introduction: following the detection of vaccine-derived poliovirus in 2019 in Ethiopia, response activities have been conducted including strengthening disease surveillance activities.
Methods: trend analysis study design of acute flaccid paralysis and measles surveillance data for the years 2021 and 2022 for Southwest Ethiopia Region was used. The non-polio acute flaccid paralysis (AFP) rate and stool adequacy rates were used to assess the AFP surveillance.
J Appl Microbiol
December 2024
Enteric Virus Laboratory, Department of Genetics, Microbiology and Statistics, School of Biology.
Enteroviruses (EV) are a highly diverse group of viruses multiplying primarily in the gastrointestinal tract and/or the upper respiratory tract, initially distributed in two separate genera: Enterovirus and Rhinovirus, respectively. According to the similarities in genome organization and particle structure, rhinovirus species were later reclassified as also belonging to genus Enterovirus. Human EV infections are usually asymptomatic or causing mild clinical manifestations.
View Article and Find Full Text PDFPathog Glob Health
December 2024
Department of Allergy and Clinical Immunology, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
The coronavirus disease 2019 (COVID-19) pandemic has disrupted polio immunization programs worldwide. The consequences of these programs' suspension were not fully presented during the COVID-19 pandemic, as some take time to present in a population. We conducted a narrative review to provide a perspective of current literature on the effect of the COVID-19 pandemic on efforts made for poliomyelitis eradication.
View Article and Find Full Text PDFBackground: Global efforts reduced incidence of polio cases from 350,000 in 1988 to 22 cases in 2022 globally. There have been no wild poliovirus (WPV) cases seen in Somalia since August 2014. However, in 2017, there was a surge in the number of cases of circulating vaccine-derived poliovirus type 2 (cVDPV2), even with different intervention responses using monovalent oral polio vaccine type 2 (mOPV2).
View Article and Find Full Text PDFMMWR Morb Mortal Wkly Rep
December 2024
Since the Global Polio Eradication Initiative began in 1988, wild poliovirus (WPV) types 2 and 3 have been eradicated, and annual polio case numbers have decreased by >99.9%. WPV type 1 (WPV1) transmission remains endemic in Afghanistan and Pakistan, two countries that share a 1,600-mile (2,600-km) border.
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