ArticleScientific reports2019
Molecular characterization and epidemiology of Streptococcus pneumoniae serotype 24F in Denmark.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed, 37 citations in OpenAlex.
- Genomic epidemiology ofMicrobial genomics · 2026Article
- Serotype distribution and antimicrobial resistance ofJournal of medical microbiology · 2025Article
- Global pneumococcal sequence cluster lineage for invasive pneumococcal isolates in Denmark from summer 2019 to 2023.Scientific reports · 2025Article
- Increasing incidence of serotype 38 invasive pneumococcal disease driven by the ST393 clone among children, Denmark 2022-2024.Scientific reports · 2025Article
- Investigating two decades ofMicrobial genomics · 2025Article
- Serotypes and Genotypes ofInfection and drug resistance · 2024Article
- Increase in prevalence ofAccess microbiology · 2023Article
- Predicting β-lactam susceptibility from the genome ofFrontiers in microbiology · 2023Article
- Molecular Characterization and Antibiotic Susceptibility of Non-PCV13 Pneumococcal Serotypes among Vaccinated Children in Cape Coast, Ghana.Microorganisms · 2022Article
- Emergence of a multidrug-resistant and virulent Streptococcus pneumoniae lineage mediates serotype replacement after PCV13: an international whole-genome sequencing study.The Lancet. Microbe · 2022Article
- Co-infection with dual Streptococcus pneumoniae serotypes as a cause of pediatric bacterial meningitis in Iran: a multi-center cross-sectional study.BMC infectious diseases · 2022Article
- Epidemiological characteristics in serotype 24 paediatric invasive pneumococcal disease according to an 11-year population-based study in Japan.Epidemiology and infection · 2022Article
- Extensive/Multidrug-Resistant Pneumococci Detected in Clinical Respiratory Tract Samples in Southern Sweden Are Closely Related to International Multidrug-Resistant Lineages.Frontiers in cellular and infection microbiology · 2022Article
- Population genetic structure, serotype distribution and antibiotic resistance ofMicrobial genomics · 2021Article
- Incidence of Vaccine-Preventable Childhood Diseases in the European Union and in the European Free Trade Association Countries.Vaccines · 2021Article
- Structural, Genetic, and Serological Elucidation of Streptococcus pneumoniae Serogroup 24 Serotypes: Discovery of a New Serotype, 24C, with a Variable Capsule Structure.Journal of clinical microbiology · 2021Article
- Molecular characterization and epidemiology of Streptococcus pneumoniae serotype 8 in Denmark.BMC infectious diseases · 2021Article
- The Emergence of InvasiveFrontiers in microbiology · 2021Article
- Designing ecologically optimized pneumococcal vaccines using population genomics.Nature microbiology · 2020Article
- Outcome of Severe Bacterial Pneumonia in the Era of Pneumococcal Vaccination.Frontiers in pediatrics · 2020Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Since 2012, have we in Denmark observed an increase of invasive pneumococcal infections (IPD) due to Streptococcus pneumoniae serotype 24F. We here present epidemiological data on 24F IPD cases, and characterization of 48 24F clinical isolates based on clonal relationship, antimicrobial resistance (AMR) determinants and virulence factors. IPD surveillance data from (1999-2016) were used to calculate the incidence and age-distribution of serotype 24F IPD and the effect of pneumococcal conjugated vaccines (PCV). Characterization of forty-eight 24F isolates (14.7% of all 24F isolates from the period) was based on whole-genome sequencing analysis (WGS). The IPD cases of serotype 24F showed a significant increase (p < 0.05) for all age groups after the PCV-13 introduction in 2010. The majority of tested 24F isolates consisted of two MLST types, i.e. the ST72 and the ST162. Serotype 24F IPD increased in Denmark after the PCV-13 introduction in parallel with an increase of the ST162 clone. The genotypic penicillin binding protein (PBP) profile agreed with the phenotypical penicillin susceptibility. The virulence genes lytA, ply, piaA, piaB, piaC, rspB and the cpsA/wzg were detected in all 24F isolates, while the pspA and zmpC genes were absent.
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