to determine the prevalence of bacterial mastitis in cattle, milk samples positive for california mastitistest (cmt) were cultured during a period of almost 4 years. the bacterial species isolated from 2904 milksamples studied were coagulase negative staphylococcus sp. in 879 (30.27%) samples, streptococcusagalactiae in 642 (22.11%), s. dysgalactiae in 332 (11.43%), e. coli in 295 (10.16%), sta...

fungal sinus infections are being recognized with increasing frequency. we report a case with rhino cerebral and chest phaeohyphomycosis infection caused by cladosporium bantianum in an 18 year old man with wegener's granulomatosis. the diagnosis was established by histopathological appearance, direct examination, culture and computerized tomography (ct) scan. this case was successfully tr...

Introduction: Human Cytomegalovirus (HCMV) or Human Herpes Virus Type-5(HHV-5) is a member of herpesviridae placed in subtype beta herpesvirinae. CMV is a ubiquitous pathogenic virus and can infect humans all through their life. Prevalence of CMV infection in developed countries is about 45% and in developing countries it varies up to 100%. CMV infection during pregnancy is very important, beca...

nosocomial infection and its heavy financial cost is a well recognized problem. a variety of sources of organisms involved in nosocomial infection have been identified in recent years. one potential route of bacterial infection is contamination. in order to assess the importance of food contamination, we carried out a survey of bacterial examination of food and the kitchen environment of 14 hos...

abstract introduction: this study was conducted to detect asymptomatic cases of visceral leishmaniasis in human and dog, using pcr and serology methods in darab, fars province. material and methods: in this descriptive cross-sectional survey, blood samples were randomly collected from all children aged 10 years old; 10% of the adults and 20% of the dog owners were investigated. to determine the...

background: tourniquets used repeatedly on patients for blood sampling are a potential source of nosocomial infections. they harbor numerous microorganisms, including methicillin‑resistant staphylococcus aureus (mrsa). the aim of this study was to investigate tourniquets for the presence of microorganisms and to ascertain the infection control practices of health care workers. methods: a cross‑...

background : hepatitis b virus (hbv) and hepatitis c virus (hcv) infections are major global public health problems. this study was conducted to investigate the incidence rate of these infections over six successive years in hamadan province, the west of iran. methods: this retrospective cohort study was conducted on the database of hepatitis registry. in this study, 1257 subjects infected by h...

with an estimated 170 million infected individuals, hepatitis c virus (hcv) has a major impact on public health. frequency of hcv infection was studied in 785 referred patients to a private laboratory, tehran, iran from april 2003 until march 2006 by pcr method. analyzed results revealed infection rate was 40.27%, 35.51% and 33.09% in the first, second and third year, respectively. frequency ra...

conclusions although nurses are the most involved occupational group in documented ns, surgeons are the most important high risk hcw who need pep. no case of seroconversion has taken place as a result of pi. this means that the current pep may have an effective role in hiv prevention. results from a total of 369 cases, 273 (74%) were hcws, among which nurses (70%) were the most involved employe...

conclusions: the study findings revealed that peritoneal lavage with imipenem solution (1 mg/ml) decreases the rate of post-operative ssis in patients with perforated appendicitis in comparison to patients irrigated with normal saline alone. these patients also had shorter hospital stay, and lower hospital costs. results: imipenem solution irrigation was associated with significant clinical imp...