background hepatitis c virus (hcv) is a major cause of chronic liver diseases among chronic renal failure (crf) patients undergoing maintenance hemodialysis. the aim of this study was to identify the hepatitis c virus infection in patients under dialysis therapy from tabriz, northwest iran and estimate the risk factors. materials and methods sera of 462 chronic renal failure patients from five ...

conclusions the mutation ratio difference between genotypes b and c in children was higher than that of adults and several combined mutations were exclusively detected in children with chronic hbv genotype c infection associated with higher viral load. objectives the aim of this study was to assess the mutation profiles of bcp and precore regions in different hbv genotypes in chronically infect...

background tubercle bacilli most often are transmitted from one person by the airborne route. the aim of the present study was to determine the frequency of latent tuberculosis infection and active pulmonary tuberculosis among patients with chronic psychiatric disorders in hamedan. patients and methods in a cross sectional study, 215 patients with chronic psychiatric disorders were investigated...

background: blood transfusion plays a great role in public health and the blood safety still has remained a main concern. hbv has been considered as one of the most prevalent blood borne infections. it is estimated that chronic hbv affects 350-400 million people worldwide. comprehensive knowledge about hbv has high importance in iran due to high number of blood dependent patients. material and ...

background: helicobacter pylori is the most common cause of chronic infection in the human stomach. the infection has universe prevalence in all age groups. probably, this bacterium is the cause of most common chronic bacterial infection in human beings and infects approximately half of the world population. h. pylori produces urease, an enzyme that degrades the urea in the stomach’s mucous to ...

Background Chlamydia trachomatis (CT) is a common cause of sexually transmitted infections (STI) and a prevalent microorganism found in the vaginal discharge of sexually active women. The infection usually has no symptoms; although it may cause chronic complications such as pelvic inflammatory disease (PID), ectopic pregnancy, chronic pelvic pain, tubal infertility and cervical cancer. This stu...

actinomycosis is a rare and chronic infectious disease caused by a non-spore gram- positive, anaerobic bacterium that rarely infects the colon, in particular the left colon. a 53-year-old woman was referred to us due to chronic abdominal pain, bloating, a few episodes of bloody-mucous rectal discharge, and  change of bowel habits. her medical history and physical examination were unremarkable. ...

background hepatitis b virus (hbv) is one of the most common chronic viral infections in the world. iran has a low to intermediate hbv prevalence and approximately 1.5 million people are living with hbv infection. the impact of hbv in iran is unknown and given the very low levels of alcohol consumption, this region provides an opportunity to examine the impact of isolated chronic hbv infection....