rr, I'm not going to get into a protracted exchange on COVID vaccines. I don't have the interest or the ability to do much research. I'm nearly blind. I found this interesting. You said: "The Salk polio vaccine wasn't proven and was disastrous ---" From the Salk kink you posted: the number of such incidents grew, it became clear that some of the shots were causing the disease they were meant to prevent. A single lab had inadvertently released adulterated batch caused the problem The Salk Polio vaccine was not disastrous. A single, inadvertently released batch caused the problem. You can continue this thread. I'm finished with it. B2B B2B