| age-specific prevalence of antibodies to hepatitis a in santiago, chile: risk factors and shift in age of infection among children and young adults. | transition from high to lower endemicity of hepatitis a virus (hav) infection may portend increased public health burden with the shift of infection to older ages and increasing morbidity and mortality. this report describes age-specific prevalence of antibodies to hav (anti-hav) among children and young adults in santiago, chile, compared with previous prevalence data and assesses factors predictive for anti-hav. in 1998, a serosurvey was performed in metropolitan santiago, designed to enroll a ... | 2002 | 12201603 |
| [serum antibodies against hepatitis a virus among subjects of middle and low socioeconomic levels in urban area of santiago, chile]. | the epidemiology of hepatitis a virus (hav) infection is closely associated to the level of hygiene and sanitation of the population. newly industrialising areas experience a transition from high to intermediate endemicity, which is characterized by a shift in the exposure age to hav, from early childhood to school ages or adolescence. | 1999 | 10451608 |