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Eighteen-Month Follow-up on the Treatment of Urinary Schistosomiasis with a Single Dose of Metrifonate
S. A. Tswana
S. A. Tswana
Department of Medical Microbiology, University of Zimbabwe Medical School, P.O. Box A 178, Avondale, HARARE, Zimbabwe
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P. R. Mason
P. R. Mason
Department of Medical Microbiology, University of Zimbabwe Medical School, P.O. Box A 178, Avondale, HARARE, Zimbabwe
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Egg excretion of school children with urinary schistosomiasis treated with a single 10 mg/kg dose of metrifonate was monitored over a period of 18 months. At 18 months 68.8% of infected children showed a >90% reduction in egg excretion and 23.7% had ceased excreting eggs. During the study period 25% of children with no evidence of infection at the start of the trial had become infected, while 45.5% of children apparently cured by the metrifonate treatment had recommenced egg excretion. The evidence suggested that reinfection rather than recovery of adult worms was responsible. Children with scanty or light infections, in general, showed increasing egg excretion rates during the following period, while those with heavy or severe infections showed a sustained reduction. In view of this, single dose metrifonate may be a useful approach to mass treatment in a schistosomiasis control program, resulting in significant reduction in egg excretion in those most likely to be important sources of transmission.
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| Past two years | Past Year | Past 30 Days | |
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| Abstract Views | 429 | 172 | 22 |
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