There is a whole conversation about the process around stories like this. The journalist who published the story is defending their data. While others point out that the journalist doesn’t decide on final headlines. Editors do.
with quote tweet:
@KevinMKruse From my story:
"The 125,682 "breakthrough" cases in 38 states found by NBC News represent less than .08 percent of the 164.2 million-plus people who have been fully vaccinated since January, or about one in every 1,300."