In Vol. 95, No. 4, April 1, 1952, the following sentence should be inserted in the paper by Drs. Kuhns and Pappenheimer on page 365, in the fifth line from the bottom:—
The high antitoxin titer found at this time is explained by the fact that the boy had already received an earlier "booster" dose of toxoid a few months previously.
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Copyright, 1952, by The Rockefeller Institute for Medical Research New York
1952
