STUDIES ON THE DEVELOPMENT OF NATURAL IMMUNITY TO POLIOMYELITIS IN LOUISIANA: II. DESCRIPTION AND ANALYSIS OF EPISODES OF INFECTION OBSERVED IN STUDY GROUP HOUSEHOLDS1

Abstract
HENRY M. GELFAND, DOROTHY R. LEBLANC, JOHN P. FOX, DONALD P. CONWELL, MARGARET S. BROOKS, BARBARA F. YAEGER; STUDIES ON THE DEVELOPMENT OF NATURAL IMMUNITY TO