• Welcome to Phoenix Rising!

    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

    To become a member, simply click the Register button at the top right.

antibodies

  1. C

    Serological response to vaccination in post-acute sequelae of COVID (Joung et al, 2023)

    Abstract Background Individuals with post-acute sequelae of COVID (PASC) may have a persistence in immune activation that differentiates them from individuals who have recovered from COVID without clinical sequelae. To investigate how humoral immune activation may vary in this regard, we...
  2. C

    Revisiting IgG antibody reactivity to Epstein-Barr virus in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and its pote... (Sepúlveda et al, 2022)

    Revisiting IgG antibody reactivity to Epstein-Barr virus in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and its potential application to disease diagnosis Authors Nuno Sepúlveda, João Torrado Malato, Franziska Sotzny, Anna D. Grabowska, André Fonseca, Clara Cordeiro, Luís Graça...
  3. Pyrrhus

    Reasons for no antibodies 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...
  4. 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...
  5. paolo

    Loss of IgG antibodies

    Hi everyone, I've lost the IgG of EBV, which infected me 12 years ago, starting my M.E. My immunologist said she have never seen a person who had lost IgG. Have some of you lost IgG of EBV or of any other virus/bacteria? I don't have IgG for any other virus/bacteria.