1921
Volume 32, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

A survey was conducted to determine the prevalence and distribution of filarial infections among the inhabitants of Comisaría del Guainía. Approximately 25% of the 604 individuals bled (Knott's sample) harbored microfilariae; more men (29.7%) were infected than women (23.7%); approximately 6% were infected with , 13% with , and 7% with both filariae. was more common in men than in women, and its prevalence increased with age in both sex groups; it was detected in most of the resident ethnic groups but was most common in the Puinave and the Curripaco Indians, and appeared to be distributed throughout the Comisaría. The prevalence of was essentially the same in men as in women, and in age-groups from the 2nd to 4th decade, although its tendency to increase with age was not as marked as in infections. appeared to be limited to the central and southern regions of the Comisaría, was found principally in the Curripaco Indians, and was detected in settlements situated within the drainage of both the Río Orinoco and the upper Río Negro. Approximately 9% of the white settlers (colonos) harbored , and 5% . These results indicate that both and are endemic in the Comisaría del Guainía, and suggest that the focus of may extend further into the South American continent along the Río Negro and its tributaries.

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/content/journals/10.4269/ajtmh.1983.32.379
1983-03-01
2017-09-22
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  • Accepted : 18 Jun 1982

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