41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
1915427
148650
2
Public Timelines
FAQ

dec 7, 1955 - Jonas Salk (IPV)

Description:

IPV injects dead viruses in the patient. It is more expensive compared to the OPV. It requires a health official to administer the shot.

Added to timeline:

Date:

dec 7, 1955
Now
~ 70 years ago