G. Simonsen

Publications114
h-index37
Citations4,318
Highly Influential Citations215
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Attributable deaths and disability-adjusted life-years caused by infections with antibiotic-resistant bacteria in the EU and the European Economic Area in 2015: a population-level modelling analysis
Summary Background Infections due to antibiotic-resistant bacteria are threatening modern health care. However, estimating their incidence, complications, and attributable mortality is challenging.… Expand
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Emergence and spread of vancomycin resistance among enterococci in Europe
Nowadays, six types of acquired vancomycin resistance in enterococci are known; however, only VanA and to a lesser extent VanB are widely prevalent. Various genes encode acquired vancomycin… Expand
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Insight into antimicrobial susceptibility and population structure of contemporary human Enterococcus faecalis isolates from Europe.
OBJECTIVES To investigate antimicrobial susceptibility and clonal relatedness of Enterococcus faecalis human isolates recovered recently (2006-09) in six European countries. METHODS Antimicrobial… Expand
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Heterogeneity in the vanB Gene Cluster of Genomically Diverse Clinical Strains of Vancomycin-Resistant Enterococci
ABSTRACT Molecular analysis of 17 genomically unrelated clinical VanB-type vancomycin-resistant enterococcus isolates from hospital patients in Germany, Norway, Sweden, the United Kingdom and the… Expand
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Emergence and spread of vancomycin resistance among enterococci in Europe.
Nowadays, six types of acquired vancomycin resistance in enterococci are known; however, only VanA and to a lesser extent VanB are widely prevalent. Various genes encode acquired vancomycin… Expand
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  • 8
Genetic methods for detection of antimicrobial resistance
Accurate and rapid diagnostic methods are needed to guide antimicrobial therapy and infection control interventions. Advances in real‐time PCR have provided a user‐friendly, rapid and reproducible… Expand
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PCR-based plasmid typing in Enterococcus faecium strains reveals widely distributed pRE25-, pRUM-, pIP501- and pHTbeta-related replicons associated with glycopeptide resistance and stabilizing…
A PCR-based typing scheme was applied to identify plasmids in an epidemiologically and geographically diverse strain collection of Enterococcus faecium (n=93). Replicon types of pRE25 (n=56), pRUM… Expand
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Molecular characterization of CTX‐M‐15‐producing clinical isolates of Escherichia coli reveals the spread of multidrug‐resistant ST131 (O25:H4) and ST964 (O102:H6) strains in Norway
Nationwide, CTX‐M‐producing clinical Escherichia coli isolates from the Norwegian ESBL study in 2003 (n=45) were characterized on strain and plasmid levels. BlaCTX‐M allele typing, characterization… Expand
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Effects of Phenotype and Genotype on Methods for Detection of Extended-Spectrum-β-Lactamase-Producing Clinical Isolates of Escherichia coli and Klebsiella pneumoniae in Norway
ABSTRACT Consecutive clinical isolates of Escherichia coli (n = 87) and Klebsiella pneumoniae (n = 25) with reduced susceptibilities to oxyimino-cephalosporins (MICs > 1 mg/liter) from 18 Norwegian… Expand
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Species identification and molecular characterization of Acinetobacter spp. blood culture isolates from Norway.
OBJECTIVES The study investigated the species distribution, antibiotic susceptibility patterns and genotypic resistance characteristics of 113 consecutive blood culture isolates of Acinetobacter… Expand
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