Bacterial InfectionsGram-Negative Bacterial InfectionsListeriosisAnti-Bacterial AgentsGram-Positive Bacterial InfectionsCalcitoninImmunity, InnateFeverNeutrophilsBacteriaListeria monocytogenesVirus DiseasesSepsisStaphylococcus aureusMice, Inbred C57BLPneumonia, BacterialLipopolysaccharidesEscherichia coli InfectionsStaphylococcal InfectionsPseudomonas InfectionsBacterial Infections and MycosesPseudomonas aeruginosaSkin Diseases, BacterialPhagocytosisHost-Pathogen InteractionsRespiratory Tract InfectionsAntimicrobial Cationic PeptidesStreptococcal InfectionsGram-Positive BacteriaCitrobacter rodentiumGram-Negative BacteriaBacteremiaOpportunistic InfectionsAnti-Infective AgentsMice, KnockoutMacrophagesLeukocyte CountCytokinesInfectionFever of Unknown OriginBacterial LoadKlebsiella InfectionsToll-Like Receptor 2Toll-Like Receptor 4PeritonitisProtein PrecursorsDisease SusceptibilityMice, Inbred BALB CConjunctivitis, BacterialEyelashesDisease Models, AnimalEnterobacteriaceae InfectionsToll-Like ReceptorsVital SignsStreptococcus pneumoniaeProspective StudiesPneumoniaNeutropeniaLungInflammationTime FactorsHaemophilus InfectionsEscherichia coliUrinary Tract InfectionsColony Count, MicrobialMycosesAcute DiseaseInfant, NewbornPneumococcal InfectionsSalmonella Infections, AnimalSignal TransductionCells, CulturedTumor Necrosis Factor-alphaMeningitis, BacterialEye Infections, BacterialKlebsiella pneumoniaeInterleukin-8Salmonella InfectionsImmunologic Deficiency SyndromesMeningitisDrug Resistance, BacterialInterferon-gammaSpleenMyeloid Differentiation Factor 88Salmonella typhimuriumMicrobial Sensitivity TestsBiological MarkersShock, SepticAcetylmuramyl-Alanyl-IsoglutamineC-Reactive ProteinPneumonia, PneumococcalCoinfectionSensitivity and SpecificityOsteomyelitisWound InfectionBacterial ProteinsSkin Diseases, InfectiousLeukocytesMonocytesbeta-Defensins