Skip to main content

Advertisement

Table 4 Estimates of global numbers infected with soil-transmitted helminths in 2010, by region

From: Global numbers of infection and disease burden of soil transmitted helminth infections in 2010

REGION Total population (millions) Infected Populations in millions (95% CI1) Overall prevalence (95% CI)
Hookworm A. lumbricoides T. trichiura Hookworm A. lumbricoides T. trichiura
Asia 3736.7 281.8 (249.5-318.5) 589.0 (524.4-660.3) 282.3 (248.5-323.5) 7.5% (6.7-8.7%) 15.8% (14.5-17.7%) 7.6% (6.6-8.7%)
Central Asia 80.7 0.1 (0.01-0.2) 6.0 (5.1-6.9) 0.1 (0.2-.25) 0.1% (0.0-0.3%) 7.4% (6.4-8.5%) 0.1% (0.0-0.3%)
East Asia 1424.4 64.5 (44.9-87.3) 158.4 (124.7-194.1) 66.2 (41.9-93.5) 4.5% (3.3-5.5%) 11.1% (8.8-13.6%) 4.6% (3.0-6.6%)
South Asia 1621.1 140.2 (117.2-173.0) 297.8 (263.8-345.4) 100.7 (80.3-129.8) 8.7% (5.2-6.6%) 18.4% (16.3-21.9%) 6.2% (5.0-8.0%)
Southeast Asia 610.5 77.0 (69.2-84.9) 126.7 (116.0-137.4) 115.3 (106.8-125.3) 12.6% (11.3-13.9%) 20.8% (19.0-22.5%) 18.9% (17.5-20.5%)
LAC 586.0 30.3 (25.5-35.5) 86.0 (78.2-95.6) 72.2 (66.0-80.0) 5.2% (4.4-6.1%) 14.7% (13.4-16.3%) 12.3% (11.3-13.7%)
Caribbean 39.7 2.1 (1.81-2.36) 3.2 (2.8-3.7) 2.8 (2.5-3.1) 5.2% (4.5-5.9%) 8.1% (7.0-9.4%) 7.0% (6.3-7.7%)
Andean LA 52.7 2.3 (1.73-2.91) 10.6 (9.2-12.3) 10.3 (9.0-12.0) 4.3% (3.3-5.5%) 20.1% (17.5-23.3%) 19.6% (17.1-22.7%)
Central LA 230.3 13.5 (12.04-15.15) 41.8 (38.1-45.7) 44.0 (40.4-47.6) 5.9% (5.2-6.6%) 18.1% (16.6-19.9%) 19.1% (17.6-20.7%)
Southern LA 57.9 1.4 (1.00-1.92) 5.9 (5.1-7.0) 2.1 (1.5-2.7) 2.5% (1.7-3.3%) 10.2 (8.7-12.2%) 3.5% (2.5-4.8%)
Tropical LA 205.4 11.0 (6.83-15.77) 24.5 (18.0-32.5) 13.0 (8.1-19.4) 5.4% (3.2-7.7%) 11.9% (8.7-15.8%) 6.4 (3.9-9.5%)
SSA 866.0 117.7 (111.1-125.9) 117.9 (108.7-127.1) 100.8 (94.1-108.0) 13.6% (12.9-14.6%) 13.6% (12.6-14.8%) 11.6% (10.9-12.6%)
Central SSA 98.0 19.3 (16.5-22.2) 21.0 (17.8-24.7) 16.5 (13.6-20.1) 19.7% (16.6-22.6%) 21.4% (18.1-25.2%) 16.9% (13.9-20.5%)
East SSA 358.7 49.5 (45.7-54.3) 34.4 (30.3-38.8) 42.2 (37.9-46.8) 13.8% (12.8-15.2%) 9.6% (8.5-10.9%) 11.8% (10.6-13.1%)
Southern SSA 70.4 14.9 (12.9-17.3) 8.6 (6.7-10.7) 23.3 (20.7-26.0) 21.2% (19.1-25.8%) 12.2% (10.1-5.9%) 33.1% (30.8-38.7%)
West SSA 339.0 34.0 (30.0-38.9) 53.9 (46.7-60.7) 18.8 (15.3-23.2) 10.0% (8.9-11.5%) 15.9% (13.8-17.9%) 5.5% (4.5-6.8%)
North Africa and Middle East 477.4 4.6 (4.0-7.1) 24.3 (22.6-28.5) 8.7 (7.3-10.7) 1.0% (0.9-1.6%) 5.4% (531–6.4%) 1.9% (1.6-2.4%)
Oceania 9.6 4.6 (4.3-3.8) 1.9 (1.6-2.2) 0.6 (0.6-0.7) 47.9% (44.7-51.0%) 19.7% (16.6-23.1%) 6.4% (5.8-7.0%)
GLOBAL 2 5,631.4 438.9 (406.3-480.2) 819.0 (771.7-891.6) 464.6 (429.6-508.0) 7.8% (7.2-8.5%) 14.5% (13.7-15.8%) 8.3% (7.6-9.0%)
  1. 1Credible interval, based on within-admin2 variation generated by Bayesian linear mixed model. LAC, Latin America and the Caribbean. SSA, sub-Saharan Africa.
  2. 2Global prevalence includes populations in Asia, LAC, SSA, North Africa and the Middle East and Oceania as the denominator.