Both were vaxxed, boosted, and masked.
Tell me again how any of this matters?
“Tell me again how any of this matters?”
The people drug companies hire to design and develop new products make a lot of money because they understand and know how to deal with complex chemistry and biochemistry.
Imagine if your company could produce:
A. 20 million doses of a vaccine with no detectable breakthrough infection annually
b. 1 billion doses of a vaccine with 50 million breakthrough infections (but few deaths in those people capable of benefiting from any Covid vaccine) annually
From both a medical and economic viewpoint choice B would be the right choice.
It would be both economically stupid and immoral to make the more effective vaccine A.