Coxiella burnetiiCoxiellaQ FeverMilk, HumanGoat DiseasesGoatsAntibodies, BacterialSheep DiseasesEndocarditis, BacterialDNA, BacterialZoonosesSeroepidemiologic StudiesRickettsia typhiComplement Fixation TestsDairyingRickettsiaMilk ProteinsAbortion, VeterinaryVacuolesRickettsia rickettsiiVeterinariansPefloxacinHeart ValvesDoxycyclineBartonella quintanaCattle DiseasesLivestockTicksMilkPolymerase Chain ReactionChlamydophilaBartonellaAntigens, BacterialBlotting, SouthwesternBacterial VaccinesEnvironmental MicrobiologyFluorescent Antibody Technique, IndirectRickettsia InfectionsBacterial Secretion Systems