Delta variant predicted to become predominant mutation across US: CDC
The Delta variant is the second most prevalent coronavirus mutation in the US and is predicted to become the predominant one in the coming weeks, Centers for Disease Control and Prevention (CDC) Director Rochelle Walensky said on Thursday (local time).
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The Delta variant is the second most prevalent coronavirus mutation in the US and is predicted to become the predominant one in the coming weeks, Centers for Disease Control and Prevention (CDC) Director Rochelle Walensky said on Thursday (local time). 
