There’s a whole suite of vaccines which do not provide what you’re asking for: sterilizing immunity. That’s the penultimate ability of a vaccine. It’s incredible we’re even able to create anything of that character given we’re fighting against living, evolving things.

Setting the minimum bar to “I must never get sick” instead of “won’t find myself in a grave” or “I wasn’t able to work for a month and was stuck in a hospital for three weeks” is a crazy thing to hang onto.