https://www.cnbc.com/2021/06/21/covid-delta-who-says-variant-is-the-fastest-and-fittest-and-will-pick-off-most-vulnerable-.html
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6/21/21 at 7:05pm
Organization
CNBC
Author
Berkeley Lovelace Jr.
44 words
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Delta has the potential "to be more lethal because it's more efficient in the way it transmits between humans," the WHO's Dr. Mike Ryan said.
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