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Although mollusciciding can be a cost-effective method of controlling schistosomiasis transmission, only one organic molluscicide, niclosamide, is now being produced commercially, and only a few compounds are at present being tested in the laboratory. In future, improved cost-effective use of molluscicides will require more precise knowledge of(More)
Selective population chemotherapy using three doses of metrifonate (7.5 mg/kg body weight each time) at two-week intervals was assessed in an entire community in Kinyasini district in Zanzibar, United Republic of Tanzania. The objectives of the study were to (1) reduce the prevalence of heavy infections (defined as greater than or equal to 50 S. haematobium(More)
Oral medium-chain triglycerides were given to 10 normal volunteers, 12 cirrhotics (group I) without and 28 cirrhotics (group II) with abnormal portal systemic communications (ascites, splenomegaly, oesophageal varices, or surgically-created portacaval shunts). After 30 ml of medium-chain triglyceride oil there was no appreciable change in serum glucose(More)
Gut integrity, which can be measured by the urinary lactulose:mannitol excretion test, deteriorates with the introduction of weaning foods. In The Gambia, gut integrity measured monthly over 15 months in 119 infants (aged 2-15 months) was least impaired from April to June. This coincides with the time of year of maximum vitamin A (VA) intake-the mango(More)
Vitamin A is the generic term for a variety of fat-soluble substances including retinol, retinyl palmitate and the provitamin A carotenoids such as all-trans-beta-carotene. Vitamin A is commonly known as the anti-infective vitamin and has an essential role in vision and cellular differentiation, the latter providing a unique core mechanism helping to(More)
  • F McCullough
  • 1986
The control of schistosomal disease is now distinctly feasible in endemic situations where a capable health care delivery system exists. Effective integrated control of schistosomiasis morbidity, within available resources at national level, is now being carried out in many countries. The control of snail hosts by chemical, environmental and/or biological(More)