Bacterial InfectionsVirus DiseasesBiological MarkersGenetic MarkersImmunity, InnateMice, Inbred C57BLVirusesGram-Negative Bacterial InfectionsListeriosisLymphocytic ChoriomeningitisRespiratory Tract InfectionsTumor Markers, BiologicalAnti-Bacterial AgentsLymphocytic choriomeningitis virusHost-Pathogen InteractionsCalcitoninCell LineCells, CulturedGram-Positive Bacterial InfectionsMice, KnockoutFeverNeutrophilsCD8-Positive T-LymphocytesCytokinesMice, Inbred BALB CMolecular Sequence DataVirus ReplicationBacteriaListeria monocytogenesInterferon Type ISignal TransductionTime FactorsLipopolysaccharidesSepsisDisease Models, AnimalPneumonia, BacterialMacrophagesInterferon-gammaInterferon-betaStaphylococcus aureusAcute DiseaseInflammationDisease SusceptibilityHerpesviridae InfectionsLungPoly I-COrthomyxoviridae InfectionsFlow CytometryArenaviridae InfectionsRNA Virus InfectionsPolymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionGene Expression RegulationOpportunistic InfectionsBase SequenceSpleenInterferonsToll-Like ReceptorsEscherichia coli InfectionsInfectionPicornaviridae InfectionsAntiviral AgentsVirus Physiological PhenomenaPseudomonas InfectionsStaphylococcal InfectionsRhinovirusBacterial Infections and MycosesPhagocytosisRNA, MessengerLeukocyte CountImmunologic MemoryLymphocyte ActivationDendritic CellsProspective StudiesAntimicrobial Cationic PeptidesImmunohistochemistryTumor Necrosis Factor-alphaPseudomonas aeruginosaAmino Acid SequenceInfluenza A virusInterferon Regulatory Factor-3Protein PrecursorsT-LymphocytesPneumonia, ViralCD4-Positive T-LymphocytesMembrane GlycoproteinsAdenoviridae InfectionsSensitivity and SpecificityCytomegalovirus InfectionsRNA, Double-StrandedViral ProteinsSkin Diseases, BacterialAntibodies, ViralMuromegalovirusEpithelial CellsKiller Cells, NaturalCell DifferentiationMice, TransgenicMutationC-Reactive Protein