2023
Persistence of Pneumococcal Carriage among Older Adults in the Community despite COVID-19 Mitigation Measures
Wyllie A, Mbodj S, Thammavongsa D, Hislop M, Yolda-Carr D, Waghela P, Nakahata M, Stahlfeld A, Vega N, York A, Allicock O, Wilkins G, Ouyang A, Siqueiros L, Strong Y, Anastasio K, Alexander-Parrish R, Arguedas A, Gessner B, Weinberger D. Persistence of Pneumococcal Carriage among Older Adults in the Community despite COVID-19 Mitigation Measures. Microbiology Spectrum 2023, 11: e04879-22. PMID: 37036377, PMCID: PMC10269788, DOI: 10.1128/spectrum.04879-22.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseasePneumococcal diseaseSchool-aged childrenOlder adultsPneumococcal carriageSaliva samplesCOVID-19 pandemicRate of carriageCOVID-19-related disruptionsUpper respiratory tractRegular contactNew Haven areaFirst yearCarriage prevalencePre-pandemic levelsMedical historyRespiratory tractHigh prevalenceStreptococcus pneumoniaeCOVID-19 mitigation measuresStudy participantsPneumococciPrevalenceDiseaseCarriageThe COVID-19 pandemic as an opportunity for unravelling the causative association between respiratory viruses and pneumococcus-associated disease in young children: a prospective study
Dagan R, van der Beek B, Ben-Shimol S, Greenberg D, Shemer-Avni Y, Weinberger D, Danino D. The COVID-19 pandemic as an opportunity for unravelling the causative association between respiratory viruses and pneumococcus-associated disease in young children: a prospective study. EBioMedicine 2023, 90: 104493. PMID: 36857965, PMCID: PMC9970381, DOI: 10.1016/j.ebiom.2023.104493.Peer-Reviewed Original ResearchConceptsCommunity-acquired alveolar pneumoniaLower respiratory infectionsRespiratory syncytial virusInvasive pneumococcal diseaseHuman metapneumovirusDisease endpointsPneumococcal diseaseRespiratory virusesProspective studyNasopharyngeal pneumococcal carriagePneumococcal bacteremic pneumoniaProspective surveillance programRespiratory virus activityCommon respiratory virusesPneumococcal carriage prevalenceBurden of diseaseDifferent clinical endpointsYoung childrenCOVID-19 pandemicProportion of testsAlveolar pneumoniaBacteremic pneumoniaPneumococcal carriageRespiratory infectionsCarriage prevalence
2013
Using Pneumococcal Carriage Data to Monitor Postvaccination Changes in Invasive Disease
Weinberger DM, Bruden DT, Grant LR, Lipsitch M, O'Brien KL, Pelton SI, Sanders EA, Feikin DR. Using Pneumococcal Carriage Data to Monitor Postvaccination Changes in Invasive Disease. American Journal Of Epidemiology 2013, 178: 1488-1495. PMID: 24013204, PMCID: PMC3813314, DOI: 10.1093/aje/kwt156.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseaseIPD incidenceCarriage dataProportion of IPDPCV changesNasopharyngeal carriage studyNasopharyngeal pneumococcal carriagePre-PCV7 periodYears of agePCV7 introductionPneumococcal diseaseCarriage prevalenceNonvaccine serotypesPneumococcal carriageVaccine impactInvasive diseaseCarriage studiesHigh-quality surveillance systemsAmerican Indian populationsSerotype dataIncidenceIndian populationMixed effects modelsSerotypesVaccine
2011
Serotype replacement in disease after pneumococcal vaccination
Weinberger DM, Malley R, Lipsitch M. Serotype replacement in disease after pneumococcal vaccination. The Lancet 2011, 378: 1962-1973. PMID: 21492929, PMCID: PMC3256741, DOI: 10.1016/s0140-6736(10)62225-8.Peer-Reviewed Original ResearchConceptsNon-vaccine serotypesSerotype replacementPneumococcal diseaseHeptavalent pneumococcal conjugate vaccinePneumococcal conjugate vaccineImportant public health benefitsBenefits of vaccinationPublic health benefitsDisease surveillance systemsNVT carriagePneumococcal vaccinationSurveillance biasesConjugate vaccineVaccine serotypesCarriage prevalencePneumococcal serotypesAsymptomatic carriersCarriage dataDiseaseVaccinationHealth benefitsLow invasivenessPrevalenceSerotypesCarriage
2010
Association of Serotype with Risk of Death Due to Pneumococcal Pneumonia: A Meta-Analysis
Weinberger DM, Harboe ZB, Sanders EA, Ndiritu M, Klugman KP, Rückinger S, Dagan R, Adegbola R, Cutts F, Johnson HL, O'Brien KL, Scott JA, Lipsitch M. Association of Serotype with Risk of Death Due to Pneumococcal Pneumonia: A Meta-Analysis. Clinical Infectious Diseases 2010, 51: 692-699. PMID: 20715907, PMCID: PMC2927802, DOI: 10.1086/655828.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseaseRisk of deathCarriage prevalenceHost factorsAssociation of serotypesLower comorbidity scorePooled effect estimatesStudy-specific estimatesNasopharyngeal carriage prevalenceCase fatality ratioSerotype-specific dataHigher carriage prevalenceRandom-effects methodBacteremic pneumoniaPooled RRComorbidity scorePneumococcal pneumoniaPneumococcal diseaseMeningitis patientsDisease outcomePotential confoundingPneumoniaSerotype 14Epidemiologic measuresMeta-Analysis
2009
Pneumococcal Capsular Polysaccharide Structure Predicts Serotype Prevalence
Weinberger DM, Trzciński K, Lu YJ, Bogaert D, Brandes A, Galagan J, Anderson PW, Malley R, Lipsitch M. Pneumococcal Capsular Polysaccharide Structure Predicts Serotype Prevalence. PLOS Pathogens 2009, 5: e1000476. PMID: 19521509, PMCID: PMC2689349, DOI: 10.1371/journal.ppat.1000476.Peer-Reviewed Original ResearchConceptsSerotype replacementCarriage prevalenceNasopharyngeal carriageCapsular serotypesNon-vaccine serotypesNeutrophil-mediated killingNasopharyngeal carriage prevalenceCapsular polysaccharideVaccinated populationSerotype prevalenceEpidemiological patternsPrevalent serotypesStreptococcus pneumoniaeBacterial factorsParticular serotypePrevalenceImportant serotypesNovel biological principleSerotypesDifferent serotypesCarriageNeutrophilsBiological differencesKillingVaccination