| [epidemiology of hepatitis a in sardinia: prevalence of anti-hav in a sample of workers required to obtain health certificates]. | the prevalence of hepatitis a in south-sardinia was determined in two samples of students in 1987 and 1988. in this paper we present the results of a seroepidemiologic survey covering a population of workers who were residents of the city of cagliari or its suburbs. a sample of 299 workers was randomly drawn from a population of workers who went to the public health office to ask for a certificate of good health. a radioimmunoassay test (abbott) was used for detection of anti-hav. the analysis h ... | 1989 | 2483895 |
| [anti-ha antibodies in a sample of an apparently healthy population of the province of sassari]. | | 1981 | 6287434 |
| [epidemiology of hepatitis a in sardinia: prevalence of anti-hav in a sample of junior and senior high school students]. | in the developing countries, where socioeconomic and hygienic conditions are inadequate, hepatitis a is mainly a childhood infection. improvements in environmental conditions cause a decline in the exposure to hepatitis a virus and a change in the age-distribution of the incidence. in the sardinian population 3-11 years old a study conducted in 1987 showed that 3.8 percent of children were anti-hav positive. in this research work we studied the anti-hav prevalence in the population 13-20 years o ... | 1989 | 2483894 |
| age-specific prevalence of hepatitis a virus infection among teenagers in sardinia. | in 1989, the prevalence of antibodies to hepatitis a virus (anti-hav) in a sample of 1350 sardinian teenagers aged 14 to 19 years was estimated by elisa method. the overall anti-hav prevalence was 20%; it increased from 12.3% among 14-16 year old subjects to 27.4% in subjects aged 17-19 years (p less than 0.01). a slight female preponderance was observed (22.1% versus 17.9) but no statistically significant difference was attained. compared with the corresponding figure (71.6% of prevalence rate) ... | 1991 | 1648657 |