Virus DiseasesAngiostrongylusCytomegalovirus InfectionsVirus ReplicationBacterial InfectionsFatal OutcomeParvovirus B19, HumanHost-Pathogen InteractionsMice, Inbred C57BLParasitic DiseasesHIV InfectionsAntibodies, ViralParvoviridae InfectionsDisease Models, AnimalImmunocompromised HostAnti-Bacterial AgentsVital SignsStrongylida InfectionsNematospiroides dubiusPregnancy Complications, InfectiousErythema InfectiosumMice, Inbred BALB CTime FactorsHelminthsDNA, ViralImmunocompetencePolymerase Chain ReactionRespiratory Tract InfectionsAntiviral AgentsChlamydophila pneumoniaeRNA, ViralViral LoadOsteomyelitisTravelInfectionImmunoglobulin GInterferon-gammaHost-Parasite InteractionsCytomegalovirusHerpesviridae InfectionsCell LineCD4-Positive T-LymphocytesChlamydia InfectionsArthritis, InfectiousHIV-1Sensitivity and SpecificityCytokinesPregnancyDog DiseasesImmunity, InnateMolecular Sequence DataVirus ActivationVirus LatencyInfant, NewbornCells, CulturedVirulenceHelicobacter InfectionsLungEnzyme-Linked Immunosorbent AssayAcute DiseaseDenguePrevalenceDisease Transmission, InfectiousTumor Virus InfectionsRespiratory Syncytial Virus InfectionsCommunicable DiseasesHerpes SimplexFecesHelicobacter pyloriSpleenCD8-Positive T-LymphocytesHepatitis B, ChronicSerologic TestsHepatitis CModels, BiologicalDisease OutbreaksAntibodies, HelminthLymphocytic ChoriomeningitisHepacivirusHerpesvirus 1, HumanMalariaStreptococcal InfectionsVaccinationAntibodies, BacterialMice, KnockoutCryptococcosisChlamydia trachomatisMyocarditisSurgical Wound InfectionAIDS-Related Opportunistic InfectionsProsthesis-Related InfectionsMucous MembraneAntigens, HelminthT-LymphocytesAcquired Immunodeficiency SyndromeLymphocytic choriomeningitis virusChronic DiseaseReceptors, VirusLymphocyte ActivationDengue Virus