Polio Vaccine Declared Safe
Unverified
Date
April 12, 1955
Type
National
Author
htristian82
Location
Michigan,
United States
Categories
Science & Technology
Event Details
On April 12, 1955, the results of a massive field trial were announced, declaring Jonas Salk's inactivated polio vaccine safe and effective.
The vaccine led to the near-elimination of polio worldwide, preventing paralysis and death in millions of children.