Preservation of Eggs of Schistosoma Mansoni for the Circumoval Precipitin Test

Amina Rivera de Sala The General Medical Research Laboratory, VA San Patricio Hospital, San Juan, Puerto Rico

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Marta Cancio The General Medical Research Laboratory, VA San Patricio Hospital, San Juan, Puerto Rico

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Rafael Rodriguez-Molina The General Medical Research Laboratory, VA San Patricio Hospital, San Juan, Puerto Rico

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Summary

Eggs of Schistosoma mansoni have been preserved by lyophilization and tested for the circumoval precipitin test. Positive reactions comparable to those of fresh eggs have been obtained.

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