Epidemiología de la hidatidosis humana en la IX Región de la Araucanía, Chile.: 1991-1998

in the region of la araucania, located in the south of chile (3724'-3934' south lat.), the economy is based in cattle raising and agriculture. the cases of human hydatidosis, mortality and notification registered in la araucania 1991-1998 are reviewed. the rate for hydatid disease is 38.5 per 100,000 population. liver (47.1%) and lung (40.7%) were the most affected viscera. days in hospital, 11-20 the 56.1%. disease in female is 51.1%. the mortality rate is 0.8 per 100,000, the most frecuently affected county is imperial. the age group 15-44 years is the most affected. the notification rate is 8.74 per 100,000 populaion. the rate for hydatid disease is higher than the rate of notification, then necessarily there exist a subnotification. we think that it is necessary to investigate the serological prevalence of hydatidosis in the population of the ix region araucania.