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The highly transmissible Delta variant is a more formidable foe than previously believed, largely due to its ability to infect and be spread by people who are fully vaccinated, according to data gathered by the Centers for Disease Control and Prevention.
A confidential document prepared by the agency cites evidence from a recent outbreak in Massachusetts involving at least 145 people who were infected with the Delta variant, which was first detected in India. In the Massachusetts outbreak, the viral loads of the 80 people who were vaccinated were essentially the same as the viral loads of the 65 people who were not vaccinated.
The Day - CDC document paints more dire picture of threat posed by delta variant - News from southeastern Connecticut
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Why does the coronavirus Delta variant spread so easily?
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