👉 Clonorchiasis is a parasitic infection caused by the protozoan parasite "Leishmania" (pronounced "leeh-shee-lee"). It's an acute illness that affects the body, causing symptoms like fever, chills, fatigue, and swelling in the legs. The disease can also cause severe complications such as liver damage or organ failure in some cases. Clonorchiasis is a common parasitic infection worldwide but it's particularly prevalent in developing countries where there