I can tell you some antibodies produced are the same or similar.

I had antibody run this weekend and there was a note on the results that stated:

" Positive results could also be due to past or present infection with non-SARS-CoV-2 coronavirus strains, such as coronavirus HKU1, NL63, OC43, or 229E"

so it looks like you have 4 alternates to choose from, lol. You could probably check the tracking site as to what is going around, someone posted a link a while back but I don't have it handy.

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We know they are lying, they know they are lying, they know we know they are lying, we know they know we know they are lying, but they are still lying. - Aleksandr Solzhenitsyn