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Browsing by Author "Haraldsson, Gunnsteinn Ægir"

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Meningococcal carriage in children and young adults : a cross-sectional and longitudinal study, Iceland, 2019 to 2021

Kristinsdóttir, Íris; Visser, Linda J.; Miellet, Willem R.; Mariman, Rob; Pluister, Gerlinde; Haraldsson, Gunnsteinn Ægir; Haraldsson, Ásgeir; Trzciński, Krzysztof; Thors, Valtýr Stefánsson (2023-09-01)

BackgroundNeisseria meningitidis is a commensal bacterium which can cause invasive disease. Colonisation studies are important to guide vaccination strategies.AimThe study's aim was to determine the prevalence of meningococcal colonisation, duration ...
Nasopharyngeal competition dynamics are likely to be altered following vaccine introduction : bacteriocin prevalence and diversity among Icelandic and Kenyan pneumococci

Butler, Madeleine E B; Jansen van Rensburg, Melissa J; Karani, Angela; Mvera, Benedict; Akech, Donald; Akter, Asma; Forrest, Calum; van Tonder, Andries J; Quirk, Sigríður Júlía; Haraldsson, Gunnsteinn Ægir; Bentley, Stephen D; Erlendsdóttir, Helga; Haraldsson, Ásgeir; Kristinsson, Karl Gústaf; Scott, J Anthony G; Brueggemann, Angela B (2023-07)

Bacteriocins are antimicrobial peptides produced by bacteria to inhibit other bacteria in the surrounding environment. Streptococcus pneumoniae is a leading cause of disease worldwide and colonises the healthy human nasopharynx, where it competes for ...
Reduction of antimicrobial resistant pneumococci seven years after introduction of pneumococcal vaccine in Iceland

Hjálmarsdóttir, Martha Ásdís; Haraldsson, Gunnsteinn Ægir; Quirk, Sigríður Júlía; Haraldsson, Ásgeir; Erlendsdóttir, Helga; Kristinsson, Karl Gústaf (2020)

Background Penicillin non-susceptible (PNSP) and multi-resistant pneumococci have been prevalent in Iceland since early nineties, mainly causing problems in treatment of acute otitis media. The 10-valent protein conjugated pneumococcal vaccine (PHiD-CV) ...

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