Active Immunization

Abstract
DURING the past three years there have been many general and special contributions to the subject of active immunization. The principles and practices of pediatric immunization have been discussed in some detail by Miller,1 who has long combined both practice and research in this field. The latest revision of the American Academy of Pediatrics Handbook 2 takes note of most of the recent revisions in immunization practices and provides, as always, many thought-provoking statements and opinions. Along a different train of thought, Parish3 has presented a stimulating discussion of the present knowledge regarding both principles and practices of prophylactic inoculation, together . . .
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