As Omicron spreads, CDC seeks to clarify message on testing and isolation

On Sunday, Dr. Rochelle Walensky, the agency’s director, fielded questions about her decision to drop the testing requirement, and maintained that antigen tests are less sensitive to the Omicron variant, which is surging across the United States, than to previous versions of the virus.

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“We have ever-evolving science with an ever-evolving variant, and my job is to provide updated guidance in the context of rapidly rising cases,” she told “Fox News Sunday.”

But other experts disagreed with that assessment, saying antigen tests, while flawed, only missed Omicron cases very early in the course of infection.

“I think they are a bedrock of our long-term strategy for managing this virus,” Dr. Ashish Jha, dean of the Brown University School of Public Health, said on ABC’s “This Week.”

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