Scientists say signs a new coronavirus variant is more deadly than the earlier version should not be a "game changer" in the UK's response to the pandemic.
Boris Johnson has said there is "some evidence" the variant may be associated with "a higher degree of mortality".
WASHINGTON — The Centers for Disease Control and Prevention has quietly changed its recommendations for coronavirus immunizations to give doctors the flexibility to handle “exceptional circumstances,” a spokeswoman said, even though the changes have not been studied in large clinical trials.
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