Scientists are monitoring a new COVID subvariant spreading in the UK that could be more contagious than Delta
A new coronavirus subvariant that could be more contagious than the Delta variant has begun to spread in the U.K. — and scientists around the world are taking notice.What are the details?In a report issued last week, the U.K. Health Security Agency noted that AY.4.2, a descendant or sublineage of …
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