Introduction: Brucellosis is a zoonotic infection. Metabolism of trace elements such as zinc and copper can influence the response of immunity system and can activate host 's immunochemical mechanisms against the organism. Therefore, this study aimed to determine changes in serum levels of Zn and Cu in patients with brucellosis in pre and post treatment compared with healthy persons. Methods: In this individual matched case-control study, 26 patients participated who were admitted to infectious unit of Farshchian Hospital with brucellosis. Moreover, 26 healthy individuals were included in the control group. 5mL of venous blood was taken from all cases in pre-treatment as well post-treatment. Then, the serum samples were diluted with deionized water, and Cu and Zn levels were measured by using Atomic Absorption Spectrophotometer. Results: In this study, 26 patients with brucellosis were enrolled, who were 13 men (50%) and 13 women (50%). No significant difference was observed between the patients and the control group in regard with their age and sex. Serum level of Cu in patients with brucellosis was found to be 100.31µg/dl and 92.81µg/dl, respectively before and after the treatment (P=0.495). Serum level of Cu in healthy individuals was reported to be 97.96µg/dl. In addition, serum level of Zn in the patients and controls was 93 µg/dl and 96.38 µg/dl, respectively (P= 0.625). Patients' Zn Serum level was found to be 90.27µg/dl after the treatment. Conclusion: In this study, no significant changes were observed in serum levels of copper and zinc in the patients with brucellosis in comparison with the control group. Besides, no significant changes were reported in serum levels of these elements in the patients in the end of treatment.

Keywords: Brucellosis, Copper, Zinc

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