Quick Kato Smear for Field Quantification of Schistosoma Mansoni Eggs

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  • Division of Geographic Medicine, Department of Medicine, Case Western Reserve University and University Hospitals, Center for Field and Applied Research, Ministry of Health, Cleveland, Ohio 44106, Egypt

The 50-mg Kato thick smear was modified by using stainless steel templates which deliver 20 mg of stools accurately; fecal material can thus be processed in the field and the smears cleared within 15 minutes. The counts obtained from the 20-mg quick Kato were proportional to those obtained by the 50-mg thick smear.

Author Notes

Present address: The Rockefeller Foundation, 1133 Avenue of the Americas, New York, NY 10036.