I was just cruising around the Internet and you know how one thing leads to another...and I came upon this:
10. Conditions Associated with Giant Cell Arteritis
Giant cell arteritis often coexists with polymyalgia rheumatica, another inflammatory disorder that causes pain and stiffness in the body. Some speculate the two are different manifestations of the same disease. According to a recent study published in Neurology, the varicella-zoster virus may also play a role in triggering this inflammatory response.
I had never read that the varicella-zoster virus could be a causative factor. That is the same virus that causes the shingles which I had. Thought provoking~~~😏😏