coagulase-negative staphylococci (cons) have been identified as a major cause of nosocomial infections. nasal carriage of cons in nurses and physicians is known to be an important risk factor for potential hospital infections. this study was carried out to investigate the prevalence of nasal carriage of uncommon coagulase-negative staphylococci among nurse and physician staffs of tehran univers...

background: health care workers (hcws) are at the risk of the acquisition of occupational transmissible diseases. controversial results have been reported about hepatitis c virus (hcv). the main objective of the recent study was to evaluate the seroprevalence of hcv and its relationship to the occupational history and exposure of hcws in two teaching hospitals in tehran-iran. materials and meth...

background: most of our current understanding of the biological effects of exposure to ionising radiation is based on conventional cytogenetic techniques, which enable us to determine the relationship between chromosomal aberration and dose received by radiation workers. however, conventional techniques have numerous limitations and chromosomal aberrations can be easily missed. since fish plays...

background: in spite of science and technology developments and their application in different industries, accidents occur in many work environments. thus, this study was conducted in order to investigate factors affecting constructional accidents. materials and methods: in this descriptive study, all workers who were injured in building construction during 2009-2010 and were registered in the ...

background: human toxocariasis is a parasitic infection caused by the larvae of toxocaracanis . we examine the toxocara seroprevalance in veterinarians and animal husbandry workers living in the mugla province, turkey to evaluate better the risk factors for toxocara exposure. methods: in 2014, 376 volunteers participated in the study in 2014. all blood specimens were tested using a commercial e...

organophosphate (ops) compounds are widely used in intensive agriculture to improve production, protect crops and control diseases vectors. the main mechanism of toxicity of ops is the inhibition of the cholinesterase enzymes. in this study the acetylcholinestrase (ache), butyrylcholinesterase (bche) and specific acetylcholinestrase (sache) activities as potential biomarkers of exposure to ops ...

inorganic lead compounds are used most widely in paint and pigment industries. because of exposure to lead dust in workers in a copying center, we compared blood lead levels in these workers to normal individuals and investigated the relationship between job tenures of the workers and their blood lead levels. this survey was performed on 20 simple workers in a copying center of tehran universit...

background: with the rising of baking industries in bangladesh, more female workers are surprisingly engaged compared to male workers. the major aim of this study was to observe the working conditions, available safety facilities and hygiene maintained by the female workers. methods: a cross sectional survey was carried out among the randomly selected 384 female workers from different baking in...