Bacterial InfectionsGram-Negative Bacterial InfectionsListeriosisAnti-Bacterial AgentsGram-Positive Bacterial InfectionsCalcitoninImmunity, InnateFeverNeutrophilsListeria monocytogenesBacteriaVirus DiseasesSepsisStaphylococcus aureusPneumonia, BacterialMice, Inbred C57BLLipopolysaccharidesEscherichia coli InfectionsBacterial Infections and MycosesPseudomonas InfectionsStaphylococcal InfectionsPseudomonas aeruginosaPhagocytosisSkin Diseases, BacterialHost-Pathogen InteractionsAntimicrobial Cationic PeptidesGram-Positive BacteriaRespiratory Tract InfectionsCitrobacter rodentiumGram-Negative BacteriaStreptococcal InfectionsBacteremiaAnti-Infective AgentsOpportunistic InfectionsToll-Like Receptor 2MacrophagesKlebsiella InfectionsBacterial LoadMice, KnockoutToll-Like Receptor 4CytokinesInfectionLeukocyte CountFever of Unknown OriginProtein PrecursorsPeritonitisToll-Like ReceptorsDisease SusceptibilityEnterobacteriaceae InfectionsEyelashesConjunctivitis, BacterialMice, Inbred BALB CStreptococcus pneumoniaeNeutropeniaHaemophilus InfectionsEscherichia coliPneumoniaUrinary Tract InfectionsInflammationColony Count, MicrobialLungDisease Models, AnimalMycosesPneumococcal InfectionsSalmonella Infections, AnimalSignal TransductionProspective StudiesKlebsiella pneumoniaeCells, CulturedTumor Necrosis Factor-alphaSalmonella InfectionsInterleukin-8Eye Infections, BacterialImmunologic Deficiency SyndromesDrug Resistance, BacterialMeningitis, BacterialMyeloid Differentiation Factor 88Salmonella typhimuriumInfant, NewbornAcute DiseaseMicrobial Sensitivity TestsInterferon-gammaMeningitisTime FactorsAcetylmuramyl-Alanyl-IsoglutamineSpleenShock, SepticPneumonia, PneumococcalWound Infectionbeta-DefensinsSkin Diseases, InfectiousBacterial ProteinsCoinfectionC-Reactive ProteinMonocytesBiological MarkersLeukocytesAntibiotic ProphylaxisMastitisOsteomyelitis