There literally is no control group anymore though, that isn't disputed. Once you make the vaccine available to the group that is not supposed to be vaccinated,

There literally is no control group anymore though, that isn't disputed. Once you make the vaccine available to the group that is not supposed to be vaccinated, you no longer have a control group. It doesn't matter if 20% of them got the vaccine or 100% of them did, at that point you can't get controlled data.