Why are Covid cases so high when millions are fully vaccinated? Blame the delta variant, experts say – CNBC

Kyndal Bolden, 15, holds the hand of her aunt as she receives a COVID-19 vaccination dose on August 14, 2021 in New Orleans, Louisiana.
LONDON Looking at the Covid case data in the U.S., U.K. and the rest of Europe, you’d be forgiven for thinking that,…

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