Placebo group often used in clinical experimentation. Who really knows how many diff types or versions of the injection are actually in circulation? The vaxx database allows them to better followup and synthesis data/effects of each injection type. The vaxx push execedes all of Josef Mengele's diablical fantasies...so many willing test subjects for his evil twisted human experiments.

That was for a smaller study at the start of all this, not the general vacs rollout. There was recent concern about whether these people would be able to go on holiday as they didn't all have the proper jab.