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wandering-monster t1_ixjnj3d wrote

That's generally going to be the case for anything entering human trials. You don't put brand new tech into people.

Eg. The mRNA tech used for the COVID vaccine was first discovered in like the 80s and got into serious development in the early 2000s as a cancer treatment.

It just happened to be ready to go, a good fit for the problem, and extremely successful in its early human trials for cancer. So we kinda quickly adopted it into a viral vaccine instead of a cancer vaccine.

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