Share this:
![](https://icandecide.org/wp-content/uploads/2023/01/WHITE_PAPERS.jpg)
These clinical trials were relied upon by the FDA to license the current polio vaccine. Upon review, the period of safety review after injection was three days.
View PDF: Clinical Trials Relied Upon to License the Polio Vaccine in 1990
Vaccines
Share this:
These clinical trials were relied upon by the FDA to license the current polio vaccine. Upon review, the period of safety review after injection was three days.
View PDF: Clinical Trials Relied Upon to License the Polio Vaccine in 1990