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Originally Posted by Edward64
True but their efficacy is unknown. Apparently 50% is acceptable for all in-progress vaccines but obviously the Pfizer 90% is better.
Agree with first bolded. On the second, my guess is it become mainstream with just another "flu shot". Some vulnerable will still die of it (just like the flu). In the US, I think we'll revert back to the way it was but we'll probably take the annual shots more seriously for the foreseeable future.
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I did read that there is another company that has a near identical vaccine to Pfizer. It is possible we are going to have two vaccine with almost the exact effectiveness.