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Article
March 1962

Field Trial of Inactivated Measles Vaccine

Author Affiliations

BUFFALO; ATLANTA; BUFFALO
David, T. Karzon, M.D., Department of Pediatrics, Children's Hospital, Buffalo 14, N.Y.; Markle Scholar in Medical Science (Dr. Karzon).; The Department of Biologics Research, Charles Pfizer & Co., Inc., Terre Haute, Ind., provided the vaccine and performed the serologic analyses.; From the Department of Pediatrics and Department of Bacteriology and Immunology, University of Buffalo School of Medicine (Dr. Karzon); the Erie County Health Department (Dr. Winkelstein, Dr. Jenss, Dr. Mosher); the Epidemic Intelligence Service, Communicable Disease Center, Public Health Service, Atlanta (Dr. Gresham).

Am J Dis Child. 1962;103(3):425-426. doi:10.1001/archpedi.1962.02080020437054
Abstract

Introduction and Methods  A "double-blind" field trial of the alum-precipitated, concentrated, inactivated measles vaccine developed by Warren1,2 was carried out in the kindergartens and first grades of 15 schools in Buffalo beginning March 20, 1961.3 A total of 330 children received vaccine and 319 placebo. Vaccine and placebo were administered intramuscularly in 3 doses of 0.5 cc. The first 2 injections were a week apart, and the third was given 4 weeks after the first. Within each classroom, study participants were alternated between vaccine and placebo groups.Serologic studies were carried out on a sample of 40 children. Measles surveillance was begun at the time of the first injection and continued until the closing of school on June 23.

Results  Comparison of the vaccine and placebo groups with respect to age, race, sex, socioeconomic status, and number of individuals in each household under 15 years of age revealed

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