New subvariant causing 20% of new COVID-19 cases, CDC says
(CNN) - The Centers for Disease Control and Prevention said a coronavirus subvariant is now the fastest-growing strain of the virus.
The CDC reported subvariant JN.1 is now causing about 20% of new COVID-19 infections across the country.
The strain already dominated in the Northeast where it’s estimated to cause about a third of new infections there.
The CDC estimated the spread of the subvariant more than doubled in the U.S. between late November and mid-December, perhaps getting a boost from holiday travel and waning immunity.
The CDC said as of Dec. 9, only about 18% of adults had received the latest COVID-19 vaccine.
The public health agency is now calling on doctors to work harder to get their patients vaccinated.
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