he genomic epidemiology of multi drug resistant invasive non-typhoidal Salmonella in selected sub-Saharan African countries

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dc.contributor.authorPark Eun Se
dc.contributor.authorPanzner Ursula
dc.contributor.authorAdu-Sarkodie Yaw
dc.contributor.authorOwusu-Dabo Ellis
dc.contributor.authorSoura Bassiahi Abdramane....et al
dc.date.accessioned2023-12-06T10:51:42Z
dc.date.available2023-12-06T10:51:42Z
dc.date.issued2021
dc.descriptionThis article is published by BMJ Global Health and is also available at http://gh.bmj.com/
dc.description.abstractBackground Invasive non-typhoidal Salmonella (iNTS) is one of the leading causes of bacteraemia in sub-Saharan Africa. We aimed to provide a better understanding of the genetic characteristics and transmission patterns associated with multi-drug resistant (MDR) iNTS serovars across the continent. Methods A total of 166 iNTS isolates collected from a multi-centre surveillance in 10 African countries (2010–2014) and a fever study in Ghana (2007–2009) were genome sequenced to investigate the geographical distribution, antimicrobial genetic determinants and population structure of iNTS serotypes–genotypes. Phylogenetic analyses were conducted in the context of the existing genomic frameworks for various iNTS serovars. Population-based incidence of MDR-iNTS disease was estimated in each study site. Results Salmonella Typhimurium sequence-type (ST) 313 and Salmonella Enteritidis ST11 were predominant, and both exhibited high frequencies of MDR; Salmonella Dublin ST10 was identified in West Africa only. Mutations in the gyrA gene (fluoroquinolone resistance) were identified in S. Enteritidis and S. Typhimurium in Ghana; an ST313 isolate carrying blaCTX-M-15 was found in Kenya. International transmission of MDR ST313 (lineage II) and MDR ST11 (West African clade) was observed between Ghana and neighbouring West African countries. The incidence of MDR-iNTS disease exceeded 100/100 000 person-years-of-observation in children aged <5 years in several West African countries
dc.description.sponsorshipKNUST
dc.identifier.citationPark SE, Pham DT, Pak GD, et al. The genomic epidemiology of multi-drug resistant invasive non typhoidal Salmonella in selected sub-Saharan African countries.
dc.identifier.uri10.1136/ bmjgh-2021-005659
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/14646
dc.language.isoen
dc.publisherBMJ GLOBAL HEALTH
dc.titlehe genomic epidemiology of multi drug resistant invasive non-typhoidal Salmonella in selected sub-Saharan African countries
dc.typeArticle
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