人体包虫病是由于偶然感染上狗绦虫而引起的。最常见的为细粒棘球绦虫。包虫病是地中海诸国、澳大利亚、南美洲的一种地方性流行病,但在北美及英国也偶有报道该病均发生。世界范围的旅游和移民已把该病传播到以前从未发生过此病的地方。包虫病通常表现为无症状的肝内囊肿。近几十年对包 Human echinococcosis is caused by accidental infection with tapeworms. The most common is Echinococcus granulosus. Echinococcosis is a endemic epidemic in the Mediterranean countries, Australia and South America, but occasionally it has also been reported in North America and the United Kingdom. Travel and immigration worldwide have spread the disease to places where it had never before occurred. Echinococcosis usually manifests as asymptomatic intrahepatic cysts. In recent decades on the package