_Adult worms in small intestine of human host.
_In each mature proglottid (as a hermaphrodite) self-fertilizes occurs to produce zygotes that multiply and differentiate into embryonated eggs (oncospheres).
_Oncopheres and gravid proglottids are shed in stool.
_Oncopheres and gravid proglottids are ingested by cattle.
_Hexacanths (six-hooked larvae) are hatched.
_ Hexacanths penetrate the intestinal wall into the blood stream and they settle in the skeletal muscles and to a small extent in lungs and liver (within 70 days)
_Hexacanths transform into a cyst known as cystcerci bovi.
_Human host feed on beef contaminated with cystcerci bovi.
_The enzymatically released scolex from cystcerci bovi attaches itself on the intestinal wall and mature (5-12 wks)
_Tabs Praziquantel 25 mg/kg TID X 2/7
Over 2 years: (children and adults): _Tabs/susp Albendazole 400mg OD x 3/7
_Tabs Niclosamid: Over 12 years: 4 stat or 2 stat then 2 after one hour. 6-12 years: 1-2 initially followed by 1-2 after one hour. 2-6 years: 1 stat then 1 after one hour.