Hi @Alstar68 and welcome to our community!
I'd say your immunity would likely have improved almost a year on. How's your general health been lately?
I think, as with any of us, if you follow the basic guidelines of washing your hands frequently and using sanitiser, as well as following the general advice about isolating and such where we can, your risk would be lessened.
Have you had a chat with your GP about it at all?
-Kate
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