Quote:
Originally Posted by Nirvana58
So the question has to be. How effective does a vaccine have to be at preventing diseases or transmission to be considered non leaky?
What is the cutoff number? I think everyone can admit that the vaccines pre booster did not prevent infection or transmission at the efficiency of the other vaccines mentioned.
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I think it gets super tricky because based on the data I have seen it appears the covid 19 injections initially
1.Have negative efficacy for a week or two
2.Get some sort of protection after shot 2
3.Then whatever protection against infection was there declines rapidly.
So the definition of efficacy depends on the time window we are talking about.