White House coronavirus task force warns of possible 'USA variant'

There would be a more transmissible variant of the coronavirus that evolved in the United States and is fueling spread of the virus, according to the White House coronavirus task force.

The new strain, in addition to the variant found in Britain, is already spreading in communities and may be 50 percent more transmissible, according to a report obtained by U.S. media that the task force issued to states on January 3.