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Table 1 WHO classifications of STH infection intensity (eggs per gram of stool) [2]

From: Soil-transmitted helminthiasis in four districts in Bangladesh: household cluster surveys of prevalence and intervention status

OrganismLight intensity infectionModerate intensity infectionHeavy intensity infection
A. lumbricoides<  50005000 - 49,999≥ 50,000
T. trichiura<  10001000 - 9999≥ 10,000
Hookworm<  20002000 - 3999≥ 4000
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