Coxiella burnetiiCoxiellaQ FeverSeroepidemiologic StudiesAntibodies, BacterialGoat DiseasesGoatsSheep DiseasesZoonosesEndocarditis, BacterialSerologic TestsDNA, BacterialRickettsia typhiComplement Fixation TestsAbortion, VeterinaryRickettsiaVeterinariansImmunoglobulin GVacuolesRickettsia rickettsiiAntigens, BacterialPefloxacinHeart ValvesTicksDoxycyclinePolymerase Chain ReactionBartonella quintanaDairyingCattle DiseasesFluorescent Antibody Technique, IndirectLivestockMilkChlamydophilaBartonellaEnzyme-Linked Immunosorbent AssayHIV SeropositivityBlotting, SouthwesternBacterial VaccinesEnvironmental MicrobiologyBartonella henselaeRickettsia InfectionsBacterial Secretion Systems