Dipetalonema Perstans and Mansonella Ozzardi in Indians of Southern Venezuela

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  • Tulane University, School of Public Health and Tropical Medicine, Department of Human Genetics, University of Michigan Medical School, New Orleans, Louisiana 70112

Microfilariae were observed in 25 of 187 blood leucocyte-culture preparations made for chromosome studies on 28 Piaroa and 159 Yanomama Indians living near the Brazilian border of Amazonas, Venezuela. Among the Yanomama, 17 (10.7%) were infected, all with Mansonella ozzardi. Among the Piaroa, 8 (28.6%) were infected—3 with M. ozzardi, 4 with Dipetalonema perstans, and 1 with both species.

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