Latest On The Omicron Variant

At least five U.S. states have reported confirmed cases of the

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Watch live coverage as President Biden delivers remarks on the

North Carolina Gov. Roy Cooper and members of the state's COVID-19 task force gave an

Dr. John Brownstein, chief innovation officer at Boston Children's Hospital discusses the

Jonathan Karl interviews Dr. Anthony Fauci on "This Week." #ABCNews #ThisWeek #AnthonyFauci #COVID19 #OmicronVariant.

Scientists are working to determine the COVID strain's severity and if current vaccines are enough to protect against it. COVID-19 ...

Even though COVID-19 may not be making headlines like it used to, that doesn't mean it's gone. ABC's Zohreen Shah has details ...

Health leaders are concerned about the

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The coronavirus subvariant known as BA.5 accounts for nearly 54% of the U.S.'s COVID-19 cases while BA.4 makes up 17%, ...

Scientists are working to determine the COVID strain's severity and if current vaccines are enough to protect against it. COVID-19 ...

CNBC's Meg Tirrell reports on the

Dr. Anthony Fauci said Wednesday that scientists are already developing a universal COVID-19 vaccine that could resist current ...

The White House is calling on Americans to exercise renewed caution due to the

In order to expand testing access and help stop the spread of the

Lester Holt interviews Dr. Anthony Fauci about the

Covid-19 cases more than doubled in the U.S. in three weeks, but