in this study, the possible infection of thomson navel, moro blood sweet orange, page mandarin and webber pomelo with citrus viroids was investigated. biological indexing was performed by grafting on etrog citron (c. medica) and maintained in temperature-controlled greenhouse. after inoculation, rna was extracted by sds– potassium acetate method. detection of citrus viroids was done reverse tra...

Abstract Background: Many individuals with chronic hepatitis C virus (HCV) infection are asymptomatic, population-based serologic studies are needed to estimate the prevalence of  infection which will help to take necessary procedures for prevension and control the disease.This study was conducted to find out the prevalence, of HCV infection among patients refering to the  hospit...

results a total of 6095 participants (36.4% male and 65.6% female) with the mean age of 92 (7-95) and mean ± sd of 34.6 ± 17.3 years were included in this study. fifteen persons (0.24%) were detected as hcv-positive and the highest prevalence was seen in age ≤ 12 years old (1%). a significant association was only detected between blood transfusion and hcv infection; therefore, those persons wit...

A molecular survey was performed for identification Theileria spp in sheep and ticks during from 2010-2011 in Fasa and Kazeroun areas, Fars province, Iran. A total of 100 sheep from different flocks were clinically examined and blood samples with ixodid ticks collected. The prepared blood smears from capillary vein of ear were stained with giemsa methods and examined by using light microscope. ...

The spirochetes inhabiting the large intestines of humans and animals consist of a diverse group of related organisms. Intestinal spirochetosis caused by Brachyspira pilosicoli is a newly recognized enteric disease of human being and animals manifest as mild colitis and diarrhoea. Few cases have been reported of spirochetaemia especially in critically ill and immunocomprised patients. This is a...

Background and Aims: Hepatitis C virus is one of the viral infections transmitted by blood transfusion. Patients with thalassaemia frequently need blood transfusion and are in danger of HCV infection. In most cases of infection (85%) the virus evades the immune system and establishes a chronic infection that may lead to cirrhosis and liver carcinoma. Liver is the main site of HCV replication ...

Background: Blood donation safety is one of the basic goals of the organization of blood transfusion in the world. Self-exclusion and failed options are additional screening tests to routine diagnostic tests which is performed to detect the transmitted infection through blood or blood products. The purpose of this study was to investigate the efficacy of these systems on the improvement of bloo...

abstract: genotyping of the hepatitis c virus (hcv) is important for designing therapeutic strategies and regional specific diagnostic assays. the aim of this study was to identify the hcv genotypes in hcv infected blood donors. this is the first report on hcv genotypes in blood donors in iran. in this cross-sectional study, 103 blood donors with hepatitis c were investigated for hcv genotypes....

editor considering the increasing prevalence of hcv in diabetes type 2 and chronic nature of hcv infection and its progression to cirrhosis and hepato_cellular tumors, we aimed to determine the frequency of hcv infection in diabetes type 2 in order to diagnose and treat these patients as soon as possible. essential information gathered by a check list from type two diabetic patients admitted at...