Paper by Vinu Arumugham:

Analyzing 23000+ epitopes covering 82 autoimmune diseases in the Immune Epitope Database, 57% have only one and 78% have up to two amino acid residue differences compared to animal, fungal or plant peptides present in vaccines; an unmistakable signature of the role of vaccines in their etiologies

Via article by Colleen Huber:

Various mechanisms have been proposed for each auto-immune disease, but Arumugham's analysis shows such an infinitesimally low probability of chance occurrence of the near identity of the protein contaminants in vaccines with auto-immune epitopes that causality cannot be dismissed plausibly or casually. The Arumugham paper uses a novel approach to examine the issue of a causative role of vaccines in auto-immune etiology.