August 1955 Issue [Article] The Salk Vaccine Download PDF Adjust Share What caused the mess? by Leonard Engel, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Contamination Jonas Salk Poliomyelitis Poliomyelitis vaccine United States United StatesPublic Health Services Vaccination More from Leonard Engel Science crosses specialty lines The Race to Create Life Our scientists are now close to a feat that will rival the conquest of space—the unlocking of the secrets of heredity, reproduction, and of life itself. Why we don’t wipe out Polio Adjust Share