Bacterial InfectionsPrevalenceRisk FactorsProspective StudiesInfant, NewbornRetrospective StudiesIncidenceAnti-Bacterial AgentsTime FactorsTreatment OutcomeMutationRespiratory Tract InfectionsMycosesPolymerase Chain ReactionMolecular Sequence DataVirus DiseasesDisease Models, AnimalHIV InfectionsStaphylococcal InfectionsGastroenteritisPicornaviridae InfectionsInfectionAcute DiseaseCohort StudiesGenotypeAscaris lumbricoidesAge FactorsFollow-Up StudiesImmunocompromised HostRecurrenceUrinary Tract InfectionsBacteremiaDiarrheaSequence Analysis, DNAPhylogenyAntifungal AgentsChronic DiseaseBase SequenceUnited StatesIntestinal Diseases, ParasiticCross-Sectional StudiesAge DistributionSeverity of Illness IndexSepsisOpportunistic InfectionsPregnancyHelminthiasisCase-Control StudiesCross InfectionRhinovirusMice, Inbred C57BLAntibodies, ViralFecesIranChlamydia InfectionsSensitivity and SpecificitySeroepidemiologic StudiesStaphylococcus aureusCaliciviridae InfectionsPhenotypeParasitic DiseasesHost-Pathogen InteractionsPrognosisProtozoan InfectionsSoft Tissue InfectionsNigeriaAscariasisSurgical Wound InfectionTrichuriasisCandidiasisCentral Nervous System InfectionsStreptococcal InfectionsEnzyme-Linked Immunosorbent AssaySeasonsIndiaPostoperative ComplicationsBiofilmsHepatitis CDisease OutbreaksComorbidityAmino Acid SequenceEscherichia coli InfectionsAnti-Infective AgentsVirulenceAntiviral AgentsRisk AssessmentGenetic VariationNorovirusRotavirus InfectionsChlamydia trachomatisCell LineAntibiotic ProphylaxisGastrointestinal DiseasesRespiratory Syncytial Virus InfectionsSpecies SpecificityCause of DeathQuestionnairesDNA, ViralPregnancy Complications, InfectiousDNA Mutational Analysis