I highly doubt that unless there is some kind of code in a database attached to their name that said they originally receive placebos. That would require the jabber to switch vials between patients. I HIGHLY doubt this is the case. Further, nearly no one goes back to the same place where they got their original shots. Have you seen the morons administering shots? Batches were placebo, and maybe the boosters are too. I don't buy that previous placebo receivers will continue to receive placebos.
We will have to wait 55+ years to determine the outcome of the Experimental Use human trials.
Let’s share our review of the peer reviewed results over a beer.
B-)