It might be best to ask your doctor. I think the old Shingles vaccine is about 50% effective; the Shingrex, 91% effective. I completed the Shingrex vaccine in 2019. This year, at the beginning of May, I had a mild case of Shingles. My brother is an infectious disease specialist and reviewed the results of my blood tests when I told him about the strange rash on my face. I also had anemia. My brother suspected PMR and GCA and guided me in what tests to ask my Primary Care Doctor to order. He was reluctant, but changed his tune when the results came in (sed rate at 119). I started on 10 mg Prednisone, but still had short stabbing pains on the side of my head, tender scalp, extremely sore neck. I was referred to a Rheumatologist who put me on 40 mg Prednisone, and ordered a biopsy of my temporal artery. Within a week, the results were in - positive for GCA. The symptoms of PMR started last May (2020) after a minor ankle injury. Within days, I felt as if I was wearing an astronaut suit of pain and stiffness, from the neck, shoulders arms, pelvis, back of knees and ankles. It lasted for months. I just kept going to physical therapy, thinking I could stretch and exercise it away. In September 2020, I went to my PCP with the PMR symptoms. He ordered blood tests and Xrays, which were inconclusive, so nothing was pursued.

The funny thing about this - I knew about GCA as my mother-in-law had it. I had written down her symptoms 30 years ago and sent them to my brother when her doctor blew her off. She presented as classic text book symptoms. I never imagined I had the same disease as she as my symptoms were different from hers.