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Article
July 1981

The Schick Test: A Useful Tool for Screening for Antibody Deficiency

Author Affiliations

From the Department of Pediatrics (Dr Sullivan), University of Massachusetts Medical School, Worcester, Mass; Department of Pediatrics (Dr Herrod), University of Tennessee Medical School, Memphis; and Massachusetts Public Health Biologic Laboratories (Mr Levine), State Laboratory Institute, Department of Public Health, Boston.

Am J Dis Child. 1981;135(7):618-620. doi:10.1001/archpedi.1981.02130310024009
Abstract

• The evaluation of suspected humoral immunodeficiency includes quantitative Immunoglobulin levels and specific antibody assays. The Schick test is a simple procedure for measurement of specific diphtheria antibodies that has been overlooked because the availability of Schick test materials has been limited in recent years. We assessed the efficacy of the Schick test in screening for antibody deficiency states in 23 children. Five had positive Schick test reactions. All five had clinical and immunologic findings consistent with a primary immunodeficiency disorder. Each of these patients had at least one other abnormality of antibody formation detected. The Schick test is a simple screening device helpful in the assessment of immunocompetence.

(Am J Dis Child 1981;135:618-620)

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