CD16 and CD17 being required by the FDA for an EUA in the US are not affected by the drug being sold or given an EUA in another Country
Theoretically that might be true. In reality, it is 100% false. Give one example when anything similar to what you propose has ever happened. Just one example, please.
Would you take part in a trial if you were critically ill, and there was a 50-50 chance you wouldn't get the drug that was saving lives around the world?