“We have been emphasizing the vaccination of older adults. That’s the very population in which shingles is the most common, and so you would expect some cases of shingles to occur after vaccination ... because it’s going to occur anyway,” he said
https://www.ajc.com/life/aging-in-atlanta/why-you-might-have-a-shingles-flare-up-after-your-covid-vaccination/U4MPENQYQNAXBJ3GLJFVB6ESQQ/