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July 19, 1958


Author Affiliations

The National Foundation for Infantile Paralysis, Inc. 301 E. 42nd St. New York 17.

JAMA. 1958;167(12):1551. doi:10.1001/jama.1958.02990290105022

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To the Editor:—  The National Foundation for Infantile Paralysis is keenly interested in assembling all available information about paralytic disease that appears in individuals triply vaccinated against poliomyelitis. Certain cases doubtless represent failures to achieve the desired immunological response. Others, however, may be associated with infections by other enteroviruses and not by one of the three known types of poliovirus.For the entire country, in 1957, over 200 cases of paralytic disease occurring in triply vaccinated subjects were reported as poliomyelitis. Laboratory verification of the diagnosis in many of these cases was lacking, because stool and serum specimens were not obtained or were collected too late. Accordingly, plans are being formulated to insure that during 1958 uniformly comprehensive laboratory examinations will be made in the case of all such apparent failures of the Salk vaccine.Since chapter chairmen and state representatives of the National Foundation for Infantile Paralysis are usually

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