Starts of with…and continues through the years to the present.
1950s and 1960s
The history of CDC/FDA involvement in regrettable human suffering by children and their families, in particular, goes back decades to the infamous polio vaccine SV40 when between 4 and 100 million children were inoculated with a polio vaccine that contained the cancer-causing SV40 virus. That has been confirmed by the 108th Congress Hearing before the Subcommittee on Human Rights and Wellness of the Committee of Government Reform, U.S. House of Representatives, September 10, 2003. Here is the link to the official government webpage.