[liamona]

Originally Posted by moonrambler

I can't understand why you insist placebo studies with vaccines have never been done.

"A calculated risk": the Salk polio vaccine field trials of 1954 -- Meldrum 317 (7167): 1233 -- BMJ

One study from 1954? Wow that's recent.

Why aren't studies done on every new vaccine? Don't studies need to be done on every new drug? Why do vaccines get a pass?