Boosters of the same vaccine will make the effect of a vaccine to last longer, if its protection diminishes with time. Other variants are present too, so regardless if this particular variant spreads to your zone or not, it probably won't harm.
The problem if is this variant is different enough to the original variant for the vaccine to be effective against it or no.
“We do know that B.1.529 has many more mutations than other variants and has mutations seen in other variants that are associated with BOTH higher transmissibility AND immune escape.”
The problem if is this variant is different enough to the original variant for the vaccine to be effective against it or no.