How self-targeted immune attacks may lurk behind long COVID Researchers are closing in on the link between antiviral immunity and chronic autoimmune disease, writes immunologist Matthew Woodruff.
Explainer: What is rheumatoid arthritis? It affects around one in 100 people, but researchers do not fully understand what causes rheumatoid arthritis.
Rare autoimmune muscle disease identified The syndrome causes sudden onset of debilitating muscle pain, along with moderate to severe progressive weakness.