Omicron is so mild, that if the people of impoverished southern African nations reported it being quite mild, then I would have to guess that a developed nation like ours would be just fine as well.
Also, the virus is mutating constantly, so any Omicron-based vaccines are going to be useless in a relatively short time.
Make no mistake about it... The original vaccines did a fine job of doing what they were supposed to do, and that was to combat the Alpha and Delta outbreak. However, they quickly became all but useless once the spike protein mutants (Omicron and beyond) came about.
Unfortunately, too many people in power essentially weaponized it...
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