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The study compared against 2-dose vaccinated. The three groups are as follows:

1. Two-dose vaccinated 2. Previously infected and not vaccinated 3. Previously infected and single-dose vaccinated

It would have been great to find out a fourth scenario: infected post double vaccination

I think they are working on that, and it will be important, but they just need time. Break through cases seem to be high recently, but folks need to recover, then they need to run around in the wild and get (or not get) COVID, and then they need to write the paper... Stay tuned, I can't wait to see, since I feel like this is where most people will end up.

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