Or not. This is a British expert quoted, though, and it is difficult to say if it is truly an opinion or some of the "keep calm, carry on" attitude that occasionally did surface over there last year before the devastation began to be obvious:
"Despite those mutations existing in other variants, the vaccines have continued to prevent serious disease as we've moved through Alpha, Beta, Gamma and Delta," he said. [From context, I think it's all vaccines, not just theirs...BJD]
"At least from a speculative point of view, we have some optimism that the vaccine should still work against a new variant for serious disease but really we need to wait several weeks to have that confirmed.
"It's extremely unlikely that a reboot of a pandemic in a vaccinated population like we saw last year is going to happen," he added.