title: Alveolar echinococcosis. Prevalence of Echinococcus multilocularis in foxes.
mesh_terms: D000818:Animals; D003430:Cross-Sectional Studies; D004444:Echinococcosis, Hepatic / Q000453:epidemiology / Q000469:parasitology / Q000635:transmission*; D005589:Foxes / Q000469:parasitology*; D006801:Humans; D015994:Incidence; D013557:Switzerland / Q000453:epidemiology