1921
Volume 3, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Summary

A stool survey in which 560 individuals in Tahiti, French Oceania, were examined for intestinal protozoa, helminths and bacteria, yielded the following prevalence rates: 22.3 per cent, 10.0 per cent, 44.0 per cent, hookworm 38.0 per cent, 12.9 per cent, 3.9 per cent, 0.9 per cent. Prevalence rates of other parasites are shown in Table 1.

A comparison of procedures used in examining stools for cysts of intestinal protozoa indicates that, for the most part, the zinc sulfate flotation procedure is more efficient than either the direct film or the film stained with iron-hematoxylin. In a comparison of the combination of any two of these methods, the iron-hematoxylin film and zinc sulfate flotation together produced the highest percentage of positives. It is emphasized that the direct film should always be used in examining for trophozoites.

The complement fixation test for amebiasis was performed on 25 serums procured from individuals harboring . Eighty-four per cent yielded positive tests. Five serums from individuals whose stools were negative for showed a negative complement fixation reaction.

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/content/journals/10.4269/ajtmh.1954.3.440
1954-05-01
2017-09-25
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