SV40.
"SIMIAN VACUOLATING VIRUS 40"
Aka monkey virus, yeah, you can't make this shit up...
Is literally the reason cancer has proliferated since the polio VaCcInE in the 50's.
https://en.m.wikipedia.org/wiki/Vaccine_contamination_with_SV40?origin=serp_auto
How many other vaccines is SV40 in?