Disease Categories / Cestodes

Diseas Scope Incubation
Diphyllobothriasis Endemic to Northern Hemisphere (Europe, former Soviet Union, North America, Asia) plus Uganda & Chile; [www.dpd.cdc.gov/dpdx/HTML/diphyllobothriasis.htm] Now rare in Scandinavia, but common in Russia, Japan & S. America; [Cecil, p. 2117] 3-6 weeks from ingestion to presence of eggs in stool; [CCDM]
Echinococcosis E. granulosus is worldwide, except Antarctica; E. multilocularis occurs in Northern Hemisphere (China, Turkey, Canada, Europe, Russia, northern Japan, Alaska, & rarely in north central USA); Polycystic disease occurs in Central & South America; [CCDM] 12 months to years; [CCDM]
Hymenolepsis nana infection Global; Endemic foci in Asia, southern & eastern Europe, Central & South America, and Africa; [PPID, p. 3465] About 2 weeks for development of mature worms; [CCDM]
Sparganosis Reported in many parts of the world including China, Japan, Southeast Asia, South and Central America, and occasionally in the U.S. and Europe; [Guerrant, p. 845]
Taeniasis and Cysticercosis Where human feces contaminate water or feed of cattle and pigs, and undercooked meat is eaten; Most prevalent in Latin America, Africa, parts of Asia, and eastern Europe; [CCDM] Symptoms of cysticercosis: months to years; Eggs in stool: about 10 weeks; [CCDM]