"Out of more than 4.8 million vaccinated North Carolinians, just 7,297 are potential breakthrough cases, ..."
So, during the same time period, how many cases of covid in unvaccinated people were there? Without that comparison the figure 7,297 is meaningless and so are the hospitalization and death rates.
The article is about vaccinated people.
You could look up a comparison and post it though.
I’ll do it for even though it is late:
It says vaccines reduce the risk of severe disease or death 10-fold and reduce the risk of infection three-fold.
https://abc11.com/delta-variant-cdc-rochelle-walensky-how-contagious-is/10918379/