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A test to determine immunity to diphtheria by injection into the skin of dilute diphtheria toxin. Inflammation of the injected area indicates a lack of immunity.
[After Béla Schick (1877-1967), Hungarian-born American pediatrician.]
(Medicine) med a skin test to determine immunity to diphtheria: a dilute diphtheria toxin is injected into the skin; within two or three days a red inflamed area will develop if no antibodies are present
[C20: named after Bela Schick (1877–1967), US paediatrician]
a diphtheria immunity test in which diphtheria toxoid is injected intracutaneously, nonimmunity being indicated by an inflammation at the injection site.
[1915–20; after B. Schick]