
Can new COVID-19 variants continue to emerge?
Fox News
As the nation rebounds from a surge of the delta variant, questions swirl over future and new coronavirus variants and the effectiveness of vaccines against them.
However, that does not mean that variants will occur with the same frequency or become more hazardous.
Last week, the U.K. Health Security Agency said that a delta descendant called AY.4.2 was "expanding" and "increasing in frequency" in England.
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