| short report: hepatitis e infection in the brazilian amazon. | this is the first report of serologic evidence of hepatitis e infection in brazil. during a community-based survey of healthy individuals, six of 97 gold miners in the amazon region of mato grosso had antibody to the virus. the mining camps have poor sanitation with a great potential for fecal-oral transmission of disease. since levels of hepatitis e antibodies may quickly wane, studies to directly measure the incidence of seroconversion are planned to determine the intensity of transmission in ... | 1995 | 7741175 |
| [prevalence of hepatitis a and e virus infection in school children of an amazonian municipality in mato grosso state]. | the prevalence of antibodies to hepatitis a anti-hav total and e viruses anti-hev igg was assessed in 487 children ranging from 2 to 9 years old who were students of nurseries and public schools in a county of the amazonian region, in mato grosso state, brazil. the anti-hav and anti-hev prevalence were 86.4% (ci 95% 83 - 89.3) and 4.5% (ci95% 2.9 - 6.9), respectively. the anti-hav prevalence was high in all ages, suggesting that this is an area of high endemicity for hav infection. there was no ... | 2002 | 12011924 |
| evaluation of hepatitis e virus infection between different production systems of pigs in brazil. | the objectives of this study were to (1) investigate the occurrence of hepatitis e virus (hev) in pigs from large-scale and family-scale farms, (2) genetically characterize the strains isolated, and (3) study the pathogenesis of swine hev infection via immunohistochemistry. a total of 50 pigs from 10 farms in mato grosso state, brazil were divided according to type of production system into either large-scale farms (n = 5) or family-scale farms (n = 5). samples of liver, gallbladder, small and l ... | 2014 | 24272392 |
| prevalence of hepatitis e virus antibodies in individuals exposed to swine in mato grosso, brazil. | this study was conducted to estimate the prevalence of hepatitis e antibodies (anti-hev) among individuals exposed to swine in the rural areas of the state of mato grosso (mt) in brazil. the study included 310 participants who had an average age of 39 years. fifty-one per cent of the participants were female and 26 (8.4%) were anti-hev-positive. concomitantly, we studied 101 blood donors from the urban area of the state capital who had never lived in a rural area or handled swine. four per cent ... | 2012 | 22510828 |