I'm not sure what you mean by x-0, but if there is no risk for young healthy people, then they don't need the vaccine? I understand there are other arguments to

I'm not sure what you mean by x-0, but if there is no risk for young healthy people, then they don't need the vaccine? I understand there are other arguments to be had but this 100% invalidates at least on of them EDIT: After re-reading I understood the sentence, my bad.