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Updated: Aug 8, 2026

Development of a Negative Selectable Marker for Entamoeba histolytica
Published on: December 13, 2010
Epidemiology and control of enterobiasis in a developmental center
G S Lohiya1, L Tan-Figueroa, F M Crinella
1Fairview Developmental Center, Costa Mesa, CA 92626, USA.
Objective:
To determine if enterobiasis could be controlled in a developmental center.
Design:
Population-based study. Annual screening of all residents by perianal swabs for enterobiasis and on admission or discharge. Treatment of infected residents and their contacts with mebendazole, 100 mg orally, with two doses given 14 days apart.
Main Outcome Measures:
The number of residents with enterobiasis and the cost of the program.
Results:
The prevalence of enterobiasis fell rapidly and progressively, from 21% before mass medication to 1% after 3 years.
Conclusion:
Mass medication of residents with enterobiasis and their contacts was beneficial, harmless, and cost effective.
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