Acute DiseaseLentiviruses, BovineTh2 CellsTh1 CellsQ FeverCoxiella burnetiiInfectious Anemia Virus, EquineTh17 CellsChronic DiseaseVirulenceHorsesEncephalomyelitis, Autoimmune, ExperimentalDisease Models, AnimalAntibodies, ViralMice, Inbred BALB CVirus ReplicationT-LymphocytesMolecular Sequence DataCytokinesTime FactorsLymphocyte ActivationEnzyme-Linked Immunosorbent AssayMice, Inbred C57BLAmino Acid SequenceCarbocyaninesBase SequenceTh1-Th2 BalanceCyclophosphamideInterleukin-4Interleukin-17Fluorescent DyesT-Lymphocytes, Helper-Inducer