Bacterial LoadBacterial InfectionsIntensive Care UnitsIntensive CareColony Count, MicrobialIntensive Care Units, NeonatalIntensive Care Units, PediatricAnti-Bacterial AgentsMice, Inbred C57BLListeriosisLungPseudomonas InfectionsSepsisBacteriaMice, Inbred BALB CImmunity, InnateDisease Models, AnimalGram-Negative Bacterial InfectionsIntensive Care, NeonatalPneumonia, BacterialListeria monocytogenesNeutrophilsPseudomonas aeruginosaPneumonia, PneumococcalMelioidosisStaphylococcal InfectionsCytokinesStaphylococcus aureusMycobacterium tuberculosisMice, KnockoutBacteremiaSpleenPeritonitisEye Infections, BacterialStreptococcus pneumoniaeBurkholderia pseudomalleiTuberculosisMacrophagesInterferon-gammaTime FactorsTuberculosis, PulmonaryGram-Positive Bacterial InfectionsGranulomaDisease SusceptibilitySalmonella Infections, AnimalAntimicrobial Cationic PeptidesInfant, NewbornCalcitoninCritical IllnessEscherichia coli InfectionsGram-Negative BacteriaAntibodies, BacterialCorneal UlcerLipopolysaccharidesNeutrophil InfiltrationTreatment OutcomeAntigens, BacterialMycobacterium aviumAnti-Infective AgentsHost-Pathogen InteractionsVirulenceKlebsiella InfectionsFeverMicrobial Sensitivity TestsProspective StudiesBacterial TranslocationBacterial ProteinsCecumKeratitisPhagocytosisHelicobacter InfectionsPneumococcal InfectionsPolymerase Chain ReactionMycoplasma pneumoniaeOsteomyelitisBacteria, AerobicHelicobacter pyloriCoinfectionSalmonella typhimuriumInflammationSputumBloodReal-Time Polymerase Chain ReactionVirus DiseasesCritical CarePneumonia, MycoplasmaBacterial VaccinesMycobacterium bovisDNA, BacterialAcute DiseaseSuppurationAnimal StructuresSensitivity and SpecificityTumor Necrosis Factor-alphaLeukocyte CountSeverity of Illness IndexKlebsiella pneumoniaeSalmonella InfectionsPhagocytesPlague