Hydatid disease in Wales.
D000818:Animals; D004283:Dog Diseases / Q000453:epidemiology; D004285:Dogs; D004443:Echinococcosis / Q000453:epidemiology* / Q000662:veterinary; D005589:Foxes; D006801:Humans; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology; D014852:Wales