Variant

Updated ET, Sat ,

The Delta variant is quickly on its way to becoming the dominant strain of Covid-19 in the US, raising concerns that outbreaks could hit vulnerable communities come fall. ...
The findings are the latest indicating that vaccines are able to protect people against new variants, despite early concerns that the variants might be able to elude them. ...
Dr. Mario Ramirez joins Geoff Bennett and Hallie Jackson to discuss the spread of the Delta variant, and why unvaccinated Americans should be concerned.  ...
In the southern Chinese city of Guangzhou, a hotspot for the mutant strain, medics say four times as many patients are becoming severely ill within four days of symptoms starting. ...

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