| incidence, prevalence and geographic distribution of human alveolar echinococcosis in austria from 1854 to 1990. | since the second half of the last century it has been known that austria--like southern germany, eastern france and switzerland--is a part of the central european area of distribution of echinococcus multilocularis (em), the causative organism of alveolar echinococcosis (ae). up until october 1990, 128 human ae cases were documented in austria; personal, anamnestic and clinical data on the majority of these patients are available. based on these data, epidemiological parameters (incidence, preva ... | 1991 | 1891451 |