Molecular Mimicry—Understanding the Link between Vaccines and Autoimmune Disease

Autoimmune diseases have become increasingly common in the United States and other high-income countries over the past several decades and now affect an estimated 5%-10% of the population in those countries. The broad category of “autoimmune disease” comprises over 100 different rheumatic, endocrinological, gastrointestinal and neurological conditions that ensue when the body’s immune responses get misdirected against itself.