n :  a serological test for susceptibility to diphtheria by cutaneous injection of a diluted diphtheria toxin that causes an area of reddening and induration in susceptible individuals
 
Schick, Béla (1877-1967), American pediatrician. In 1913 Schick announced his development of the Schick test for susceptibility to diphtheria. The test was a safe, reliable method of detection that eliminated the unnecessary use of serums with serious side effects.
 
 
 
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