Abstract
Summary
A method of concentration and partial purification of influenza virus (A2) found in throat washings is described. A microtechnique is presented for identification of virus contained in the concentrates.
The author wishes to thank Dr. Lajos Ccizmas, New York City Department of Health, for his generous gift of the Takatsy Plexiglas plates used in the micro-tests; Dr. Stephen Millian, Bureau of Laboratories, New York City Department of Health, for supplying the skim milk throat washings.
The author is indebted to Dr. Benjamin Mandel, Public Health Research Institute of New York City, for valuable suggestions and encouragement.
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