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Molecular Epidemiology of Underreported Emerging Zoonotic Pathogen Streptococcus suis in Europe
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3 2024
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Source: Emerg Infect Dis. 2024; 30(3):413-422
[PDF-2.15 MB]
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Alternative Title:Emerg Infect Dis
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Description:Streptococcus suis, a zoonotic bacterial pathogen circulated through swine, can cause severe infections in humans. Because human S. suis infections are not notifiable in most countries, incidence is underestimated. We aimed to increase insight into the molecular epidemiology of human S. suis infections in Europe. To procure data, we surveyed 7 reference laboratories and performed a systematic review of the scientific literature. We identified 236 cases of human S. suis infection from those sources and an additional 87 by scanning gray literature. We performed whole-genome sequencing to type 46 zoonotic S. suis isolates and combined them with 28 publicly available genomes in a core-genome phylogeny. Clonal complex (CC) 1 isolates accounted for 87% of typed human infections; CC20, CC25, CC87, and CC94 also caused infections. Emergence of diverse zoonotic clades and notable severity of illness in humans support classifying S. suis infection as a notifiable condition.
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Pubmed ID:38407169
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Pubmed Central ID:PMC10902550
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Volume:30
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Issue:3
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