From your own link, idgit.
“The CDC also highlighted that the study took place before omicron became the dominant variant in the U.S. and before the impact of booster shots could be adequately measured.
Dr. Benjamin Silk of the CDC told the media on Wednesday, “Before the delta variant, COVID-19 vaccination resulted in better protection against a subsequent infection than surviving a previous infection,” CNN
Now, let’s see whose poop coming out the mouth? Omicron was the one where the infected were among all categories because it is a different virus, just like flu viruses time and again.
Your intellectual curiosity level is near zero, which is how the stupid stay stupid.