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Table 3 Prevalence of the more common species by region of origin.

From: Comparison of intestinal parasitic infection in newly arrived and resident workers in Qatar

  N. Africa N.E. Africa W. Asia E. Asia Nepal
Parasites % 95%CI % 95%CI % 95%CI % 95%CI % 95%CI
All species 14.7 11.80-18.11 29.1 25.08-34.44 16.5 12.17-21.85 21.3 16.32-27.01 29.7 25.51-34.15
Helminths 6.9 4.87-9.44 19.1 15.75-22.95 11.2 7.66-15.98 14.3 10.20-19.35 23.7 19.91-27.98
Hookworms 2 1.04-3.63 10.5 7.90-13.61 6 3.54-9.77 7.2 4.51-11.37 17.8 14.40-21.73
T. trichiura 2 1.04-3.63 3.2 1.88-5.19 3.2 1.54-6.35 5.7 3.30-9.42 1.7 0.83-3.43
A. lumbricoides 2 1.04-3.63 2.3 1.23-4.09 1.6 0.56-4.25 1.8 0.66-4.58 2.5 1.40-4.50
All Protozoa 7.8 5.73-10.61 11.8 9.13-15.11 6.4 3.89-10.33 7.2 4.51-11.37 9.7 7.23-12.93
B. hominis 3.4 2.11-5.41 5 3.33-7.38 2.5 1.11-5.48 2 0.79-4.9 3 1.69-5.01
Non-pathogenic
Amoebae 2.9 1.72-4.82 6.4 4.42-8.99 2.3 0.96-5.19 2.5 1.08-5.47 3 1.69-5.01
G. duodenalis 2 1.04-3.63 3.2 1.88-5.19 1.4 0.43-3.91 2 0.79-4.90 3.4 2.02-5.52
  1. (Date based on new arrivals and residents combined)