As mikem said, this was reported yesterday in the Boston Globe. Here is the precise quote:
"About 92% of the infections in vaccinated residents did not require hospitalizations, while 303 people, or 6.8%, were hospitalized, according to state Department of Public Health data through July 10.
The Boston Herald reported the breakthrough data on Tuesday based on a public records request.
Seventy-nine vaccinated residents in Massachusetts died from COVID-19, either without being hospitalized or following a hospital stay, DPH said. That death toll reflects 1.78% of the 4,450 confirmed breakthrough cases and 0.0019% of the 4,195,844 people fully vaccinated as of July 10."
So rhyhog, your math was right, but your skepticism might have been misplaced. 79 deaths out of 4.2 million people vaccinated is a tiny number, and of course, we don't know what underlying medical conditins those 79 might have had. Same thing re the 303 hospitalized people, of whom some unreported number died.