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Not all the vaccines worked. You are taking for granted the knowledge we have now about the vaccine efficacy. If there were no efficacy studies we could easil
by peter422 5y ago
Not all the vaccines worked. You are taking for granted the knowledge we have now about the vaccine efficacy.
If there were no efficacy studies we could easily have wasted precious manufacturing and logistical resources in an ineffective vaccine which would have cost even more lives.
Not to mention increasing the vaccine hesitancy which is already a massive problem.