No, if the spike protein vax was deadly, we likely may not know for decades.
We do not at all understand how the immune system works.
If we did, then we could cure autoimmune diseases like Lupus, arthritis, diabetes, HIV, etc.
And the mRNA concoctions are extremely risky because they do not sensitize the immune system to the virus, but instead to just the spike protein, and our own exosomes normally used those same spike proteins all the time. How is that NOT going to cause our own immune system to attack our own exosomes?
With some new irritation, those with this vaccine could suddenly all start dying at any time.
It could lead to species extinction.
And no, the immune system has nothing at all to do with cell reproduction.
And yes there have been thousands of death from negative reactions to these mRNA concoctions.
The have been deaths from anaphylactic shock, swelling of the heart, blood clots in the brain, etc.
And no, herd immunity does not mean everyone gets sick.
For example, those under 18 are already inherently immune,
So are those who are asymptomatic.
So are all those who recovered.
And you don't need 100%, but only about 70% to be immune in order to eradicate the virus.
Since those under 40 are 400 times less likely to die from it than those over 70 who are dying, then we can reduce the death rate by a factor off 400, with deliberate infection of those under 40.