Bacterial InfectionsGram-Negative Bacterial InfectionsAnti-Bacterial AgentsListeriosisVirus DiseasesImmunity, InnateGram-Positive Bacterial InfectionsFeverCalcitoninStaphylococcal InfectionsStaphylococcus aureusBacteriaNeutrophilsRespiratory Tract InfectionsSepsisMice, Inbred C57BLListeria monocytogenesMycosesEscherichia coli InfectionsPneumonia, BacterialHost-Pathogen InteractionsOpportunistic InfectionsSkin Diseases, BacterialPseudomonas InfectionsLipopolysaccharidesInfectionBacteremiaPseudomonas aeruginosaStreptococcal InfectionsAnti-Infective AgentsUrinary Tract InfectionsBacterial Infections and MycosesGram-Negative BacteriaCytokinesPhagocytosisGram-Positive BacteriaDisease SusceptibilityMice, Inbred BALB CDisease Models, AnimalAntimicrobial Cationic PeptidesInfant, NewbornMacrophagesParasitic DiseasesMice, KnockoutPeritonitisToll-Like Receptor 2Time FactorsLungBacterial LoadToll-Like Receptor 4Acute DiseaseToll-Like ReceptorsColony Count, MicrobialProspective StudiesImmunocompromised HostKlebsiella InfectionsCitrobacter rodentiumPicornaviridae InfectionsEnterobacteriaceae InfectionsWound InfectionSkin Diseases, InfectiousStreptococcus pneumoniaeAntibiotic ProphylaxisSalmonella InfectionsInflammationLeukocyte CountPneumoniaEscherichia coliMicrobial Sensitivity TestsCoinfectionInterferon-gammaNeutropeniaCells, CulturedRisk FactorsSalmonella Infections, AnimalHIV InfectionsDrug Resistance, BacterialSoft Tissue InfectionsMolecular Sequence DataPolymerase Chain ReactionPneumococcal InfectionsMeningitisBiofilmsFever of Unknown OriginProtein PrecursorsOsteomyelitisVirulenceSignal TransductionBacterial ProteinsTumor Necrosis Factor-alphaEyelashesChlamydia InfectionsConjunctivitis, BacterialImmunologic Deficiency SyndromesSpleenPrevalenceAbscessCell LineCross InfectionImmunoglobulin G