King County also continues to release data on breakthroughs.
https://imgur.com/U8LlkhX
9% hospitalized, 1.7% died.
My notes: After vax starts 2 weeks after last shot.
Once positive, outcomes are similar for vaxxed or non-vaxxed. Death rate remains slightly higher for the vaxxed, but this is likely overhang from the early bias to vax old people.
The hospitalization rates and death rates for the positive vaxxed are holding steady despite a relatively even age distribution.
I conclude that vax keeps you from testing positive, but doesn't clearly show protection once positive. *Many possible biases in the data.
On a related note. While a majority of King County residents are vaccinated, 97% of cases are among the unvaxxed. Being among the vaxxed confers astounding protection against testing positive for Covid. Get your shot, eh?
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