Forty Years of Calling ME/CFS Psychosomatic Taught the Institutions How to Dismiss the Vaccine-Injured

Every time a virus tears through a population, it leaves a smaller group behind who never recover. Doctors saw it in the survivors of the 1918 influenza pandemic, and again in the subset of Epstein-Barr mononucleosis patients whose illness simply never ended. For the last forty years the medical establishment had a name for the version that shows up without an obvious trigger, myalgic encephalomyelitis, or chronic fatigue syndrome, and for most of those decades it treated the name as a polite word for malingering.

Long COVID forced the subject into the open, because you cannot call millions of people lazy at once. Trailing behind that cohort is a quieter one the public-health apparatus would rather not see: people who date the same collapse not to an infection but to a COVID-19 shot. In February 2025 a Yale team led by Akiko Iwasaki and Harlan Krumholz reported that these patients carry the same immune wreckage as ME/CFS and long COVID, and that some of them still had SARS-CoV-2 spike protein in their blood as long as 709 days after vaccination. A year later the 2026 International ME/CFS Conference put post-acute vaccination syndrome on its program alongside the other two. The biology is overtaking the institutions built to keep these stories apart.

The patients were right about the exercise

Start with what happens when you finally ask them. In a survey published in PNAS in July 2025, researchers collected treatment experiences from 3,925 patients with ME/CFS and long COVID across more than 150 interventions. It is patient-reported and observational, and the authors say plainly it cannot prove any treatment caused anything. What it documents is a verdict patients have been delivering for years. The interventions they rated most helpful were not drugs. They were pacing, the disciplined rationing of exertion to stay under the threshold that triggers a crash, and fluids with electrolytes. The intervention that did the most harm was graded exercise therapy, the “push through it and recondition” prescription that was official guidance in the UK and elsewhere for years. It scored -72.2 percent on the study’s net-helpfulness scale, the worst of any treatment examined, with the vast majority reporting harm and almost none reporting benefit. The signature feature of this illness, post-exertional malaise, means the standard advice for fatigue is close to the worst thing a patient can do. People living it said so for decades and were told it was deconditioning and fear.

The biology stopped being polite

For years the dismissal had cover. No reliable biomarker, so no real disease. That cover is eroding. Work published in JCI Insight in 2024 found signatures of immune exhaustion, the worn-down state T cells enter after chronic activation, in both ME/CFS and long COVID patients. A 2026 study in Chronic Illness, funded by the NIH’s own neurological institute, compared ME/CFS triggered by mononucleosis against long COVID and found the two tracking each other closely, which is what you would expect if a shared post-viral mechanism, rather than the specific pathogen, is doing the damage. Clinicians had raised the possibility out loud as early as 2021, asking whether long COVID patients were developing ME/CFS under a different name.

Here is where the line blurs in a way the public-health apparatus would prefer it didn’t. The Yale preprint is small, 42 patients against 22 vaccinated controls, and it has not been peer-reviewed, so read it as a signal rather than a verdict. The signal is hard to dismiss. The vaccine-injured group showed elevated TNF-alpha-producing CD8 T cells and depleted regulatory CD4 subsets, the same class of immune dysregulation the JCI Insight team measured in ME/CFS and long COVID, in separate cohorts. They showed signs of reactivated Epstein-Barr virus, the latent-herpesvirus flare implicated in the other two conditions. And in a subset, the researchers detected circulating spike protein as long as 709 days after the shot.

The mRNA platform was sold to the public on the premise that the spike protein it instructs your cells to make is transient, cleared within days. A protein still circulating nearly two years later, in chronically ill patients, is not what anyone was promised. That is not proof the shot disabled everyone who got it, and the Yale group is careful that different patients seem to reach illness by different routes. It is evidence that the mechanism the injured have been describing is biologically plausible, and that the reflexive “temporally coincidental, nothing to see here” response was public messaging, not a scientific finding.

The TrialSite piece that put this back in circulation calls it “the patient wars,” and the framing is apt but incomplete. It reads as three sick communities competing for scarce recognition and research money, wary of each other because any association with the vaccine-injured is politically radioactive. That rivalry exists, and it is understandable. It is also downstream of a single institutional failure. Agencies that spent four decades insisting post-viral collapse was psychological built no framework to recognize it when it arrived at scale, and they cannot now recognize an iatrogenic version of the same thing without conceding that a product they promoted can cause lasting harm. The incentive to keep the three conditions siloed is not scientific. It is reputational.

The biology keeps refusing to cooperate with the silos. T-cell exhaustion, EBV reactivation, autonomic dysfunction, post-exertional malaise, the clinical picture rhymes across all three groups. When the same fingerprint turns up in three separate patient populations, the responsible move is to investigate the connection, not to police the boundaries between them.

Whose move it is now

The next card belongs to whoever controls the research agenda. The 2026 International ME/CFS Conference adding post-acute vaccination syndrome to its program is how a subject the establishment called fringe becomes a research question with a session and a slide deck. The larger test is whether the NIH, and an HHS now run by people who campaigned on taking vaccine injury seriously, funds the biomarker and treatment trials that could turn 709 days of circulating spike protein from a preprint curiosity into a diagnosis with a code and a standard of care. Watch what the RECOVER initiative funds next, and whether post-vaccination syndrome is anywhere in it. Forty years of “it’s all in your head” tells you which way institutional muscle memory pulls. The patients stopped waiting for permission to be believed a long time ago.

Sources

1. medRxiv – Iwasaki, Krumholz et al., Immunological and Antigenic Signatures Associated with Chronic Illnesses after COVID-19 Vaccination (Yale LISTEN, 2025 preprint)
2. PNAS – Patient-reported treatment outcomes in ME/CFS and long COVID (2025), 3,925 patients, funded by the Open Medicine Foundation
3. JCI Insight – Immune exhaustion in ME/CFS and long COVID (2024)
4. Chronic Illness – Comparing ME/CFS following mononucleosis with long COVID (2026), NINDS-funded
5. Medical Research Journal – Do some long COVID patients suffer from ME/CFS? (2021)
6. TrialSite News – The Patient Wars: ME/CFS, Long COVID and the Vaccine-Injured Fight for Recognition
7. ME Research UK – Post-Acute Vaccination Syndrome added to the International ME/CFS Conference 2026