(CDC-Cestodiasis (Hymenolepis

Cestodiasis (Hymenolepis)

ICD-10 B71.0
3.13.1 Identification

Dwarf tapeworm infection.

Case classification:
• Suspected Case: abdominal pain and other vague symptoms such as pallor, loss of weight and weakness.
• Probable Case: An intestinal infection with very small tapeworms; light infections are usually asymptomatic. Massive numbers of worms may cause enteritis with or without diarrhea
• Confirmed Case: Microscope identification of eggs in feces confirms diagnosis.

3.13.2 Infectious agent

Hymenolepis nana (dwarf tapeworm), the only human tapeworm without an obligatory intermediate host.

3.13.3 Occurrence

Cosmopolitan; more common in warm than cold, and in dry than wet climates. Dwarf tapeworm is the most common human tapeworm in the USA and Latin America; it is common in Australia, Mediterranean countries, the Near East and IndiaInfectious agent

Hymenolepis nana (dwarf tapeworm), the only human tapeworm without an obligatory intermediate host.

3.13.3 Occurrence

Cosmopolitan; more common in warm than cold, and in dry than wet climates. Dwarf tapeworm is the most common human tapeworm in the USA and Latin America; it is common in Australia, Mediterranean countries, the Near East and India