I mean, I did admit it wasn't likely.
But usually boosters are because of waning immunity.
Then there's stuff like the flu that mutates rapidly enough where there's a different formulation each year with different viruses.
I'm just worried that there'd end up being some interaction between the first gen COVID shots and this hypothetical better version.
(DISCLAIMER: I am not a doctor and this isn't meant as medical advice)
(ANOTHER DISCLAIMER: I worry about stuff. A lot.)
There is some talk of a universal coronavirus vaccine being potentially possible as well.
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