Maybe try reading the studies they cited and linked? https://www.sciencedirect.com/science/article/pii/S266637912...

> In the first transfer experiment, most patient participants had been vaccinated prior to sampling, whereas the controls were not. Importantly, in our follow-up experiment, we used post-pandemic controls (exposed and vaccinated), and their IgG still did not induce the overt pain phenotype seen with long COVID IgG, suggesting vaccination alone is unlikely to explain the transfer effects.

Given that the major COVID-19 vaccines had a significant protective effect against Long COVID, this is a particularly perverse variation on the conspiracy theory.

Long COVID is much more prevalent among people who’ve experienced severe COVID symptoms, and unvaccinated people have the most severe symptoms. One doesn’t need a PhD to do the math here.

That's because vaccine does not cause autoimmune disorders

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