Question: when was the first vaccine for diphtheria invented

title: Diphtheria
text: Between 1910 and 1911 , Béla Schick developed the Schick test to detect pre-existing immunity to diphtheria in an exposed person . Only those who were not exposed to diphtheria were preferably vaccinated . A massive , five - year campaign was coordinated by Dr. Schick . As a part of the campaign , 85 million pieces of literature were distributed by the Metropolitan Life Insurance Company with an appeal to parents to `` Save your child from diphtheria . '' A vaccine was developed in the next decade , and deaths began declining significantly in 1924 . A 

Answer: answer: Between 1910 and 1911 , Béla Schick developed the Schick test to detect pre-existing immunity to diphtheria in an exposed person. A vaccine was developed in the next decade.