In a population that’s 97% vaccinated, who else is there but vaccinated people to get it? 3% that already had Covid or are medically exempt? Even if they were 3

In a population that’s 97% vaccinated, who else is there but vaccinated people to get it? 3% that already had Covid or are medically exempt? Even if they were 3x as likely to get Covid that would still mean 90% of the cases were vaccinated. Other than vaccinated people are able to catch it at an unknown rate, not much can be said about the article except I thought it might have been talking about yahoo employees due to the weird title.