Based on the original strain. Not that I would want to argue. There are several nations that do not recommend vaccination for younger people. They could be wron

Based on the original strain. Not that I would want to argue. There are several nations that do not recommend vaccination for younger people. They could be wrong of course, but to be so certain about science of a rapidly changing virus and wave away methodological difficulties, like measuring myocarditis without an autopsy, strikes me as scientifically naive, perhaps bordering on religiosity.