Association of Diarrhea with Giardia Lamblia in Families Observed Weekly for Occurrence of Enteric Infections

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  • Technology Branch, Communicable Disease Center, Public Health Service, U. S. Department of Health, Education, and Welfare, Phoenix, Arizona
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Giardia lamblia was found in 41 (35%) of 118 persons from 15 families observed weekly for periods of 12 to 40 weeks. A significantly greater number of diarrheal episodes not associated with pathogenic enteric bacteria was observed in persons with Giardia infection than in persons without the infection.