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Showing posts with the label norway

Genomic profiling of #cefotaxime-resistant #Haemophilus influenzae from #Norway and #Sweden reveals extensive expansion of virulent #MDR international clones

By G.M.
Abstract Cefotaxime-resistant Haemophilus influenzae (CRHI) are a global concern, but little is known about their molecular epidemiology . The goal of this study was to perform genomic profiling of 191 CRHI from Norway (n = 183) or Sweden (n = 8) (2006–2018) and assess clonal spread using core genome multilocus sequence typing (cgMLST)-based Life Identification Number (LIN) codes based on whole genome sequencing (Ion Torrent). Cefotaxime resistance was confirmed with broth microdilution minimal inhibitory concentration (MIC), interpreted with the European Committee on Antimicrobial Susceptibility Testing (EUCAST) breakpoints. 35.7% of isolates with cefotaxime gradient MIC of 0.25 mg/L were falsely resistant. All but two isolates (blood) were non-invasive, and all but two (serotype f) were non-typeable. Characterization included calling of resistance determinants, ftsI typing (penicillin-binding protein 3, PBP3), and classification of PBP3-mediated beta-lactam resistance (rPBP3), with a...
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#Norway - #Influenza A viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-) - Immediate notification

By G.M.
  By Scott Wieman - Own work, CC BY-SA 3.0,  https://commons.wikimedia.org/w/index.php?curid=24620634 A wild Herring Gull in Nordland Region. Source: WOAH,  https://wahis.woah.org/#/in-review/6621 ____
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#Norway - #Influenza A #H5 viruses of high pathogenicity (Inf. with) (non-poultry including wild birds) (2017-) - Immediate notification

By G.M.
  By Andreas Trepte - Own work, CC BY-SA 2.5,  https://commons.wikimedia.org/w/index.php?curid=10944563 A Great black-backed Gull in Nordland Region. Source: WOAH,  https://wahis.woah.org/#/in-review/6594 ____
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Highly Pathogenic Avian #Influenza A(#H5N1) Caused Mass Death among Black-legged #Kittiwakes (Rissa tridactyla) in #Norway, 2023

By G.M.
Abstract In 2023, highly pathogenic avian influenza (HPAI) heavily affected gulls in Europe. In July, a mass mortality event was reported in the Black-legged Kittiwake (Rissa tridactyla) breeding colony at Ekkerøy in Northern Norway . The cause was confirmed to be infection with the HPAI H5N1 clade 2.3.4.4b virus , genotype EA-2022- BB. We describe the outbreak in Kittiwakes, including pathological and virological investigations , and discuss the management and zoonotic potential . With more than 15,000 dead birds reported , we estimate that the outbreak caused a reduction in the Kittiwake population at Ekkerøy of at least 50%. Diseased birds exhibited neurological signs . Necropsy of ten birds revealed a peracute fatal systemic disease , with severe lesions in the brain and pancreas co-localizing with the presence of viral RNA and antigen. Vascular expression of α2,3-linked sialic acids and viral RNA/antigen may reflect hematogenous virus spread . Further studies should investigate th...
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Highly pathogenic avian #influenza virus (#H5N5) detected in an Atlantic #walrus (Odobenus rosmarus rosmarus) in the #Svalbard Archipelago, #Norway, 2023

By G.M.
ABSTRACT We present the first documented case of highly pathogenic avian influenza virus (HPAIV) subtype H5N5 in an Atlantic walrus (Odobenus rosmarus rosmarus). The animal was found dead in Svalbard , Norway, in 2023. Sequence analysis revealed the highest genetic similarity with virus isolates from different avian hosts. Source: Emerging Microbes and Infections,  https://www.tandfonline.com/doi/full/10.1080/22221751.2025.2456146 _____
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