The erroneous report originated at a recent meeting where Dr. Birx, a member of the White House coronavirus task force, presented graphs of the escalating cases in the country. She suggested to other members of the task force that a new, more transmissible variant originating in the U.S. might explain the surge, as another variant did in Britain.
Her hypothesis made it into a weekly report sent to state governors. “This fall/winter surge has been at nearly twice the rate of rise of cases as the spring and summer surges. This acceleration suggests there may be a USA variant that has evolved here, in addition to the UK variant that is already spreading in our communities and may be 50% more transmissible,” the report read. “Aggressive mitigation must be used to match a more aggressive virus.”
Dismayed, officials at the C.D.C. tried to have the speculative statements removed, but were unsuccessful, according to three people familiar with the events.
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