2022
Pneumococcal genetic variability in age-dependent bacterial carriage
Kremer P, Ferwerda B, Bootsma HJ, Rots NY, Wijmenga-Monsuur AJ, Sanders E, Trzciński K, Wyllie AL, Turner P, van der Ende A, Brouwer MC, Bentley SD, van de Beek D, Lees JA. Pneumococcal genetic variability in age-dependent bacterial carriage. ELife 2022, 11: e69244. PMID: 35881438, PMCID: PMC9395192, DOI: 10.7554/elife.69244.Peer-Reviewed Original ResearchConceptsSecond cohortImproved vaccine formulationsFirst cohortFuture vaccination strategiesSingle nucleotide polymorphismsHost immune factorsAge-specific differencesPneumococcal carriageImmune factorsVaccination strategiesBacterial carriageCarriage studiesVaccine formulationsCohortGenetic factorsAdult hostsSerotypesHost ageAdultsCarriageChildrenGenetic backgroundWeak evidenceInfantsPopulation
2016
Molecular surveillance of nasopharyngeal carriage of Streptococcus pneumoniae in children vaccinated with conjugated polysaccharide pneumococcal vaccines
Wyllie AL, Wijmenga-Monsuur AJ, van Houten MA, Bosch AATM, Groot JA, van Engelsdorp Gastelaars J, Bruin JP, Bogaert D, Rots NY, Sanders EAM, Trzciński K. Molecular surveillance of nasopharyngeal carriage of Streptococcus pneumoniae in children vaccinated with conjugated polysaccharide pneumococcal vaccines. Scientific Reports 2016, 6: 23809. PMID: 27046258, PMCID: PMC4820691, DOI: 10.1038/srep23809.Peer-Reviewed Original ResearchConceptsPneumococcal conjugate vaccinePolysaccharide pneumococcal vaccineVaccine-targeted serotypesStreptococcus pneumoniae carriageCross-sectional surveillanceVaccine serotypes 4Number of serotypesPneumococcal surveillancePneumococcal vaccinePneumoniae carriageUnvaccinated individualsConjugate vaccineNasopharyngeal carriagePneumococcal diseaseVaccine effectsNasopharyngeal samplesConventional diagnostic methodsSurveillance studyS. pneumoniaeStreptococcus pneumoniaeSerotype detectionMolecular surveillanceHidden circulationSerotypesDiagnostic methods
2015
Carriage of Streptococcus pneumoniae in Aged Adults with Influenza-Like-Illness
Krone CL, Wyllie AL, van Beek J, Rots NY, Oja AE, Chu ML, Bruin JP, Bogaert D, Sanders EA, Trzciński K. Carriage of Streptococcus pneumoniae in Aged Adults with Influenza-Like-Illness. PLOS ONE 2015, 10: e0119875. PMID: 25789854, PMCID: PMC4366201, DOI: 10.1371/journal.pone.0119875.Peer-Reviewed Original ResearchConceptsS. pneumoniaeStreptococcus pneumoniaeCarriage detectionSaliva samplesPneumococcal conjugated vaccineStudy time pointsPCV13 serotypesPneumococcal diseaseCarriage prevalenceNasopharyngeal colonisationNasopharyngeal swabsConjugated vaccineNasopharyngealAged adultsPneumococciTime pointsPneumoniaeCarriageInfantsConventional cultureIllnessSalivaInfluenzaDiseaseSerotypes