THE PROTECTION AFFORDED BY VACCINATION AGAINST SECONDARY INVADERS DURING COLDS IN INFANCY.
All intensive course of vaccination with the pathogenic bacteria of the upper respiratory tract modified favorably the winter outbreak of severe respiratory disease in an infant population. The incidence of the common cold was not affected. The significance of these findings is discussed.
Kneeland
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Department of Medicine, College of Physicians and Surgeons, Columbia University, and the Presbyterian Hospital, New York.