What is Echinococcosis or hydatid disease?

What is Echinococcus? Echinococcus granulosus is a relatively small tapeworm (3-6 mm in length) that is found in dogs and other canids, wolves for example. Humans are accidentally infected through association with dogs. Where is this parasite found? It can be found anywhere there is a close association with infected dogs. It is most common ["]