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Revista Cubana de Medicina Tropical

Print version ISSN 0375-0760On-line version ISSN 1561-3054


SANDRA, Ríos Tobón et al. Procedure optimization for concentration and detection of protozoa and helminths in great volumes of water. Rev Cubana Med Trop [online]. 2018, vol.70, n.1, pp.71-77. ISSN 0375-0760.

ABSTRACT Feces-contaminated water is a vehicle of transmission of potentially pathogenic microorganisms responsible for illnesses that represent main causes of death worldwide. A protocol for detection of intestinal parasites in great volumes of water was optimized. It includes: membrane filtration, mechanical agitation with detergent, centrifugation, chemical concentration with Mini Parasep® and microscopic examination. From samples of feces-contaminated water containing parasitic forms, a total recovery percentage of 85.7 % of parasites was achieved after tests. This procedure provides a useful alternative method that could be subjected to validation as a routine methodology in the diagnosis of microbiological water quality.

Keywords : parasitology; waterborne diseases; water quality.

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