33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
338145
29294
1
Public Timelines
FAQ Get premium

mar 26, 1953 - Jonas Salk announced that he was developing a trial vaccine for polio.

Description:

Jonas Salk announced that he was developing a trial vaccine for polio.

Added to timeline:

26 Nov 2017
1
0
476

Date:

mar 26, 1953
Now
~ 72 years ago