| markers of hepatitis c and b virus infections among blood donors in ho chi minh city and hanoi, vietnam. | blood donors in two cities in vietnam were tested for markers of hepatitis c virus (hcv) and hepatitis b virus infections. antibody to hcv was detected by passive hemagglutination with antigens of the second generation in 101 (20.6%) of 491 donors in ho chi minh city; it was detected less frequently (p < 0.001) in donors in hanoi (4 [0.8%] of 499). hcv rna was tested for in donors with antibody by pcr with nested primers from the 5'-noncoding region and detected in 79 donors in ho chi minh city ... | 1994 | 8556478 |
| high prevalence of hepatitis c virus genotype 6 in vietnam. | this study aimed to update the prevalence of the various hepatitis c virus genotypes in vietnamese blood donors. one hundred and three hcv antibody-positive plasma samples were collected from blood donors at the national institute of hematology and blood transfusion, hanoi, vietnam. all specimens were subjected to rt-pcr of the 5' untranslated region (utr) to confirm the presence of hcv rna. the core and ns5b regions of thh positive samples were subsequently amplified by rt-pcr followed by direc ... | 2009 | 19839502 |
| acute viral hepatitis in hanoi, viet nam. | a study of acute hepatitis was conducted in hanoi, viet nam, from january 1993 to february 1995; 188 sera from clinical hepatitis cases were screened by enzyme-linked immunosorbent assay for immunoglobulin (ig) m anti-hepatitis a virus (hav), igm anti-hepatitis b core antigen (hbc), igg anti-hepatitis c virus (hcv), igg anti-hepatitis e virus (hev) and igm anti-hev. additionally, 187 sera from control subjects, matched by age, sex and month of admission, with no recent history of hepatitis, were ... | 1996 | 9015503 |
| viral infections and chemical exposures as risk factors for hepatocellular carcinoma in vietnam. | a case-control study investigating risk factors for hepatocellular carcinoma (hcc) was conducted in hanoi, in the north of vietnam, between 1989 and 1992. male cases of hcc (152) diagnosed in 2 hospitals were included. hospital controls (241) admitted mainly to abdominal surgery departments were frequency-matched to cases for sex, age, hospital and place of residence (hanoi, province). odds ratios adjusted for matching variables and other potential confounders were estimated using unconditional ... | 1993 | 7690345 |
| hepatitis c and b virus infections in populations at low or high risk in ho chi minh and hanoi, vietnam. | inhabitants and patients of two cities in vietnam were tested for antibodies to hepatitis c virus (anti-hcv), hepatitis b surface antigen (hbsag) and antibody to hbsag (anti-hbs). anti-hcv was detected in 43 (9%) of 491 individuals without liver disease in ho chi minh, more frequently (p < 0.001) than in 18 (4%) of 511 in hanoi. there was no apparent age-specific distribution of anti-hcv. among inhabitants of both cities, hbsag and anti-hbs were frequent, detected in 10-14% and 35-37%, respectiv ... | 1994 | 7524723 |