More infectious variant now makes up 20% of coronavirus samples tested, Fauci says
By Madeline Holcombe and Theresa Waldrop, CNN The Delta coronavirus variant, which is highly transmissible and possibly more dangerous than current predominant variants, now makes up more than 20% of all samples sequenced in the United States after the percentage doubled in a recent two-week period, Dr. Anthony Fauci said. The country seems to be
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