How three rooms describe the same fibers
The old MRF site called fiber-like or filamentous structures the most striking feature, along with seed-like granules and black specks. It published photomicrographs — including, famously, fibers at a child’s lip at 200×. We are not putting those pictures on the doorstep. They frightened people who were already frightened.
Pearson et al., 2012 (CDC / Kaiser Permanente / AFIP) collected material and reported that most fibers were consistent with cotton. They did not find a shared infection with the tests they ran.
Cleveland Clinic, February 2026 writes that fibers are usually skin proteins, hair, or tiny materials made visible by irritation — “not parasites or fabric” in the sense patients often fear — and that sometimes there is nothing under the skin at all, only a signaling disconnect.
Middelveen, Fesler & Stricker, July 2026 argue the filaments are keratin and collagen produced by keratinocytes and fibroblasts, sometimes small human hairs, often autofluorescent, sometimes carrying bacterial antigens and amyloid.
Notice what is shared: they are talking about stuff that can be put under a lens. Notice what is not: they do not agree why it is there.
CDC’s 2008 public language, preserved from the old site, still reads like a patient list: crawling, biting, stinging; granules, threads or black specks; rashes or sores; and for some, fatigue, confusion, memory loss, joint pain, changes in vision. That list has not expired. The interpretation has been at war for twenty years.
If this is your body, start with living through a day and a letter for the clinic. The papers can wait until after you have slept.