Understood, but the CovidOf course it can mutate to be more virulent, or less so and be totally harmless. I'll reevaluate as needed. I'm around vulnerable people and don't want to be one of the ones who catches it and still recovering after months. Too busy for that.
The only thing that shot has proven efficacy on is making Pfizer, the payer of the single largest criminal fine in US history, money to pay back said fine.