> In fact, the scientific validity/rationale of 'immunity' is still under question. It is premature to start designing a system without a better understanding o

> In fact, the scientific validity/rationale of 'immunity' is still under question. It is premature to start designing a system without a better understanding of immunity. You mean, it's not about listening to "the science"? What ever could be driving this? Certainly not a naked power grab, using fear as an incentive?