That's interesting. Since May I've had symptoms that could be long covid. I did some rapid tests, and nothing ever came back positive. Since then I've been vacc

That's interesting. Since May I've had symptoms that could be long covid. I did some rapid tests, and nothing ever came back positive. Since then I've been vaccinated with J&J. Did an antibody test two weeks after and nothing showed up. I'm wondering if there is any test I could do at this point to confirm if I've been infected in the past.