An overview of the brucellosis epidemic conditions in Iran

Brucellosis is as one of the most important infection common disease between human and cattle, which nowadays considered as one of serious health systems dilemma specifically in developing countries.Among brucellosis different species are the cause of infection, 4 species namely B.melitensis, BSuis, B.abortus, B.canis are the most major cause of disease in human(1).Indeed, in Iran that is considered as an endemic area of hygienic organization, B. melitensis is as the most prevalent cause of infection in human. This bacterium generally will transfer to human from contact with contaminated animals or the consumption of cattle production such as unpasteurized dairy (raw milk, soft cheese, cream) or even via breathe can transfer to human. But the transfer of infection from person to person is very infrequent.Of course there is some evidence of transfer in a bone marrow transplanting. The most prevalent clinical symptoms of this disease are fever, night sweat, asthenia and anorexia (2).Naturally this infection involved different systems and organs in human body and the one of most major part of body can be mentioned to nervous system, muscuskeletal and also some organs like joints, heart and liver.Diagnosis of this infection can be made by some various laboratory tests like SAT, 2ME. But some misdiagnosis instances are very common. Thus, World Health Organization (WHO) exposed in its report that the number of infected cases are maybe ten folds more than scale which stated by health organizations.