Spike protein could remain in immune cells for more than 245 days following vaccination, according to a recent preprint. The study evaluated 50 patients who developed long COVID-like symptoms after the COVID-19 vaccine; none had been infected with the virus.
The authors extracted immune cells from 14 post-vaccine patients and found that 13 had spike protein in their immune cells. Asymptomatic vaccinated people had no spike present.
Researchers from InCellDx, a research company that produces panels and protocols that test for and treat long COVID and post-vaccine syndrome, authored the paper.
Their previous study published in 2022 showed that unvaccinated long-COVID patients could have spike protein persist in their immune cells for 15 months.
In both papers, the spike proteins were detected in monocytes, immune cells that circulate the body.
These findings indicate that the persistence of these spike proteins was likely the driver for the symptoms of long COVID and post-vaccine syndrome, InCellDx founder and lead study author Dr. Bruce Patterson told The Epoch Times.
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