A test for previously acquired immunity to diphtheria, using an intradermal injection of diphtheria toxin.
- ‘By 1921 Park and his colleagues had used the Schick test on more than 52,000 New York City schoolchildren.’
- ‘The Schick test, in which a tiny quantity of diphtheria toxin protein is injected into the skin of the forearm, can show whether an individual is immune to diphtheria.’
Early 20th century: named after Bela Schick (1877–1967), Hungarian-born American paediatrician.
We take a look at several popular, though confusing, punctuation marks.