giardiasis

Giardiasis, popularly known as beaver fever, is a parasitic disease caused by Giardia duodenalis (also known as G. lamblia and G. intestinalis). About 10% of those infected have no symptoms. When symptoms occur they may include diarrhea, abdominal pain, and weight loss. Vomiting, blood in the stool, and fever are less common. Symptoms usually begin 1 to 3 weeks after exposure and without treatment may last up to six weeks.Giardia usually spreads when Giardia duodenalis cysts within feces contaminate ...