Effective? How about SAFE?
Since the makers are shielded from any vaccine injury liability I’ll pass on it.
...Effective? How about SAFE?
100% safety does not exist in any biological system
The question is always with relative risk vs benefit, understanding both sides of that equation is fraught with complexity, selective reporting, and even “observer bias” is a real problem
https://www.newyorker.com/magazine/2010/12/13/the-truth-wears-off