It was in May 2021 that my sister announced she would not be getting a COVID-19 vaccination, despite the fact that most of us over age 60 were relieved, if not joyous, that we could do so. I was stunned. It was difficult to believe that my older and only sibling, a vibrant, well-educated, well-travelled woman in her 70s, would make such a reckless and, to me, foolish decision.