I've seen it mentioned with sources on /r/COVID19 a bunch of times. I think this is the study they might have been referring to? And this is antibodies, not th

I've seen it mentioned with sources on /r/COVID19 a bunch of times. I think this is the study they might have been referring to? And this is antibodies, not the memory cells mentioned above. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2851497/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2851497/