Usually asymptomatic or mild GI symptoms
20% of cases report diarrhea, abdominal pain or discomfort
Rarely, migrating proglottids can cause cholangitis, cholecystitis, or intestinal obstruction
Competes for absorption of vitamin B12 → can cause pernicious anemia
20% of cases report diarrhea, abdominal pain or discomfort
Diphyllobothrium latum
Taenia saginata
M. genitalium
Taenia solium 
Mycobacterium marinum
Cryptosporidium
Hymenolepis nana
Cyclospora