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There have been 420 so-called “breakthrough” cases of covid-19 in Allegheny County, officials reported Wednesday, out of more than 600,000 fully vaccinated residents — which is less than one-tenth of 1%.
Cases are considered to be a breakthrough case if they occur in someone who is fully vaccinated.
Only 11 of those 420 required hospitalization, said county health director Dr. Debra Bogen.
She said that from March through May, the county recorded 239 covid-related deaths, and 212 — 89% — were people who were unvaccinated.
Twenty-two people who died during that time were partially vaccinated, she said, and five people – 2% — were fully vaccinated.