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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Vitamin A supplementation reduces reinfection with Ascaris in indigenous Panamanian preschool children

Payne, Leslie G. January 2005 (has links)
Vitamin A deficiency and intestinal parasitism coexist in developing countries. This study evaluated whether a national program of vitamin A supplementation (200,000IU retinyl palmitate every 6 months), if combined with deworming (400mg albendazole), slows reinfection with Ascaris . A baseline survey of 595 indigenous preschool children in the Bocas del Toro region of Panama showed high rates of stunting (61%) and nematode infection (Ascaris 79.5%, Trichuris 19%). All children were dewormed and 328 were included in the 5 month follow-up study. Of these, 106 children received vitamin A supplementation through the Ministry of Health (Vit A S+) and 222 children received no supplementation (Vit A S-). At 3 months post deworming, both the prevalence (P= 0.0004) and intensity (P= 0.0124) of Ascaris infection were higher in Vit A S- children than in Vit A S+ children, indicating that reinfection occurred more slowly in supplemented children. When the two supplement groups were further sub-divided by stature, Vit A S+ resulted in lower reinfection rates (P=0.0002) only in normal height children, and not in stunted children. Despite the tendency of public health policy to target malnourished children our study provides evidence of increased benefit of vitamin A supplementation in normal height children living in areas with chronic parasitosis.
2

Vitamin A supplementation reduces reinfection with Ascaris in indigenous Panamanian preschool children

Payne, Leslie G. January 2005 (has links)
No description available.

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