https://arstechnica.com/science/2021/07/this-900-person-delta-cluster-in-mass-has-cdc-freaked-out-74-are-vaccinated/
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7/30/21 at 3:44pm
Organization
Ars Technica
Author
Beth Mole
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CDC estimates 35K symptomatic infections in US per week among 162 million vaccinated.
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