Echinococcosis is a disease, has been recognised by humans for centuries, hydatid disease or echinococcosis is a parasitic infestation by tapeworm of the genus echinococcus, 3 among these are pathological to humans. Echinococcus granulosus is most common and responsible for cystic liver and other organ cystic diseases Echinoccus multilocularis or alveolaris rare but proved as fatal disease E vogeli is least common Dog is definitive and sheep is intermediate host for this e granulosus to complete the life cycle of this tapeworm and men is accidental intermediate host to ehinococcus when we come in contact with infected fecal matter of dog (hexacanth embryo) .Morbidity usually because of free rupture of echinococcus cyst and dysfunction of affected organ either by pressure of cyst or infection in cyst.
Mortality because of anaphylaxis to fluid in cyst cavity and sepsis, mortality usually…