Australian scientists have confirmed a 'weak link' in the immune system - identifying the exact conditions under which an infection can trigger an autoantibody response, a process not clearly understood until now. We have known for many years that autoimmune diseases such as rheumatic fever and Guillain-Barré syndrome (where the body makes antibodies that attack the heart and peripheral nerves respectively) can occur after the body makes immune responses against certain infectious micro-organisms...
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