Streptococcus pneumoniae: For Clinicians | Streptococcus pneumoniae
Streptococcus pneumoniae are lancet-shaped, gram-positive, facultative anaerobic bacteria with 100 known serotypes. Most S. pneumoniae serotypes can ...SkipdirectlytositecontentSkipdirectlytopageoptionsSkipdirectlytoA-ZlinkPneumococcalDiseaseSectionNavigationCDCHomeFacebookTwitterLinkedInSyndicateStreptococcuspneumoniaeMinusRelatedPagesThereare100knownserotypesofStreptococcuspneumoniae,thebacteriathatcausepneumococcaldisease.Streptococcuspneumoniaearelancet-shaped,gram-positive,facultativeanaerobicbacteriawith100knownserotypes.MostS.pneumoniaeserotypescancausedisease,butonlyaminorityofserotypesproducethemajorityofpneumococcalinfections.Pneumococciarecommoninhabitantsoftherespiratorytract.Thebacteriamaybeisolatedfromthenasopharynxof5–90%ofhealthypersons,dependingonthepopulationandsetting:5–10%ofadultswithoutchildrenarecarriers20–60%ofschool-agedchildrenmaybecarriers50–60%ofservicepersonnelonmilitaryinstallationsmaybecarriersThedurationofcarriagevariesandisgenerallylongerinchildrenthanadults.Inaddition,researchersdonotclearlyunderstandtherelationshipofcarriagetothedevelopmentofnaturalimmunity.RelatedPagePinkBook’sChapteronPneumococcalDiseaseEpidemiologyandPreventionofVaccine-PreventableDiseasestextbookPagelastreviewed:September1,2020Contentsource:NationalCenterforImmunizationandRespiratoryDiseases,DivisionofBacterialDiseaseshomePneumococcalHomeAboutPneumococcalplusiconTypesofInfectionRiskFactors&TransmissionSymptoms&ComplicationsDiagnosis&TreatmentPreventionPhotosFastFactsPneumococcalVaccinationForCliniciansplusiconStreptococcuspneumoniaeTransmissionClinicalFeaturesRiskFactorsDiagnosis&ManagementPreventionForLaboratoriansDrugResistanceSurveillance&ReportingGlobalPneumococcalDiseaseandVaccineResourcesplusiconMaterialsPublicationsRelatedLinksGlobalPneumococcalVaccinationWorldHealthOrganizationExternalfile_externalNationalFoundationforInfectiousDiseasesExternalfile_externalSepsisFacebookTwitterLinkedInSASstatsExitNotification/DisclaimerPolicyCloseLinkswiththisiconindicat
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