Schick test

Schick test
A boy receives an injection of diluted toxin for the Schick test in 1915.
Purposesusceptibility to diphtheria

The Schick test, developed in 1913, is a skin test used to determine whether or not a person is susceptible to diphtheria. It was named after its inventor, Béla Schick (1877–1967), a Hungarian-born American pediatrician.