Vaccines (a) reduce by ~90% the probability of serious outcomes, and (b) even if those vaccinated are infected, reduces the probability of transmission.
With so high a number of people vaccinated in this country there is little chance of the virus becoming generally widespread - vaccine resistant mutations excepted.
However it is still possible for the virus to spread within communities which have limited protection - in particular some ethnic communities and the young.
The latter group is probably fairly unimportant as the young very rarely experience material symptoms. But where other groups refuse vaccination due to cultural religious or other reasons the virus will spread with consequences.
Sorry to say it, but I have little sympathy when they could get protected very easily and choose not to.
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