Volume 3, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



A study of and other intestinal parasites was conducted in two very similar urban housing projects, one inhabited by Negro and the other by white families, with the following results:

  • 1.  Observed prevalences of the intestinal parasites for this urban population were: , 3.5 per cent; , 13.9 per cent; , 11.9 per cent; , 1.1 per cent; , 5.0 per cent; and , 0.7 per cent.
  • 2.  The higher prevalence rates for and and the lower rate for in the white population were not significant statistically; however, other factors operating in the two populations which suggest the possibility of real racial differences are discussed.
  • 3.  Overall prevalence rates were much lower than those found in rural communities of the mid-south but the sex and age distributional patterns were, in general, the same.
  • 4.  The helminths occurred infrequently probably because of the excellent sanitary facilities.
  • 5.  The occurrence of diarrhea and infection were associated to a marked degree, but no further association between symptoms and parasites could be established.


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