THIS STUDY ASSESSED THE SERO-PREVALENCE OF BRUCELLOSIS AND ITS RISK FACTORS AMONG MIGRATORY NOMADS IN THE FARS PROVINCE OF IRAN. ACTIVE BRUCELLOSIS WAS DEFINED AS THE COMBINATION OF CLINICAL SYMPTOMS, INCLUDING FEVER, CHILLS, NIGHT SWEATS, HEADACHE, LOW BACK PAIN, ARTHRALGIA, OR MYALGIA, AND POSITIVE LABORATORY TESTING, INCLUDING EITHER A SERUM AGGLUTINATION TEST (SAT) ³1:80 WITH A 2-MERCAPTOETHANOL (2ME) ³1:40, OR A SAT <1:80 COMBINED WITH A POSITIVE COOMBS WRIGHT TEST (CWT) AT A TITRE OF AT LEAST 3-FOLD HIGHER THAN SAT TITRE RESULTS. …