European Haplotype of Echinococcus multilocularis in the United States

Alveolar echinococcosis caused by Echinococcus multilocularis, a small cyclophyllid tapeworm, is a severe parasitic disease in humans.Two years after the diagnosis of a European haplotype of E. multilocularis in a patient in Vermont (Patient VT1) who did not have a history of exposure to alveolar echinococcosis abroad, 1 the disease was diagnosed in a second patient in Vermont (Patient VT2), who also did not have such exposure history.louis.