You mean the spike that's already subsiding, during which there was 1 death of a person who was unvaccinated?
https://graphics.reuters.com/world-coronavirus-tracker-and-m...
https://www.euroweeklynews.com/2021/08/05/gibraltar-resident...
Let's not get hysterical. Breakthrough cases will happen. That they cluster is no great surprise at all.
Is covid a nuisance for Gibraltar? No. But it's far from the threat it was pre-vaccine.