Bacterial InfectionsPrevalenceGram-Negative Bacterial InfectionsCross-Sectional StudiesRisk FactorsAnti-Bacterial AgentsListeriosisGram-Positive Bacterial InfectionsCalcitoninImmunity, InnateFeverAge DistributionBacteriaVirus DiseasesNeutrophilsListeria monocytogenesAge FactorsStaphylococcus aureusSex DistributionEscherichia coli InfectionsInfant, NewbornSepsisStaphylococcal InfectionsProspective StudiesBrazilPneumonia, BacterialMice, Inbred C57BLUnited StatesLipopolysaccharidesRetrospective StudiesSex FactorsHealth SurveysPseudomonas InfectionsQuestionnairesIncidenceTime FactorsBacterial Infections and MycosesLogistic ModelsIndiaRespiratory Tract InfectionsPseudomonas aeruginosaCohort StudiesStreptococcal InfectionsRural PopulationPolymerase Chain ReactionHIV InfectionsHost-Pathogen InteractionsBacteremiaSkin Diseases, BacterialPhagocytosisUrban PopulationGram-Negative BacteriaSocioeconomic FactorsAntimicrobial Cationic PeptidesGram-Positive BacteriaDrug Resistance, BacterialAnti-Infective AgentsChinaComorbidityEnterobacteriaceae InfectionsSensitivity and SpecificityMicrobial Sensitivity TestsInfectionDisease SusceptibilityKlebsiella InfectionsPopulation SurveillanceCitrobacter rodentiumSeverity of Illness IndexStreptococcus pneumoniaeCoinfectionChronic DiseaseBacterial LoadOpportunistic InfectionsSmokingCase-Control StudiesPregnancyEscherichia coliLeukocyte CountUrinary Tract InfectionsMacrophagesMice, KnockoutCytokinesColony Count, MicrobialToll-Like Receptor 2EyelashesFever of Unknown OriginToll-Like Receptor 4Odds RatioBiological MarkersProtein PrecursorsFecesPeritonitisPneumococcal InfectionsHaemophilus InfectionsSalmonella Infections, AnimalLungIranConjunctivitis, BacterialInflammationMice, Inbred BALB C