👉 Echinococcus is a parasitic infection caused by the Echinococcus granulosus parasite. It's an important cause of disease in humans and birds, especially in chickens. The disease is characterized by inflammation and swelling of the liver, kidneys, spleen, and bursae, as well as abdominal pain, fever, malaise, and weight loss. Treatment typically involves antibiotics to kill the Echinococcus granulosus parasite.