@M96191366 @trailrunner402 @StillMask @alexmeshkin No it doesn't. It's the exact same entire S protein as the other (spike) vaxes. If there does turn out to be a difference (possible, but not quite determined), it would have to do with packaging or adjuvant. And the RBD (which does mutate, a lot) is on S1, not S2.
@M96191366@trailrunner402@StillMask@alexmeshkin不，它与其他（spike）vax完全相同。如果事实证明确实存在差异（可能，但尚未完全确定），则与包装或佐剂有关。而RBD（变异很多）位于S1，而不是S2。