1. Pyrrhus

    Predictors of Nonseroconversion after SARS-CoV-2 Infection (Liu et al., Sept. 2021)

    Interestingly, many patients with Long Covid report that they never tested positive on any antibody tests. The following CDC study tried to determine why some people don't seem to develop antibodies after a SARS-CoV-2 infection, even though they tested positive on a PCR test. (a phenomenon...
  2. C

    Unrelenting malaise and POTS

    Hello, I hope this is the right place to post my question. I fell ill in March 2020 with what seemed to be a virus and I have not recovered. Taking into account the date of the onset, long covid was initially considered. Nevertheless, all the covid tests (PCRs and antibodies) came back...