Another concerned scientist on Nostr: Google: "May be influenced by viral infections or co-existing autoimmune conditions ...Google: "May be influenced by viral infections or co-existing autoimmune conditions like lupus or rheumatoid arthritis"https://www.nu.nl/achterklap/6414224/rene-froger-kan-eigen-lichaam-niet-vertrouwen-door-auto-immuunziekte.html