CDC warns of ‘dual mutant’ flu strain that could evade antiviral drugs: ‘Need to closely monitor’

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By entering your email and pushing continue, you are agreeing to Fox News' Terms of Use and Privacy Policy , which includes our Notice of Financial Incentive . Having trouble? Click here. A new "dual mutant" strain of H1N1 influenza could pose a threat in the U.

S., according to the Centers for Disease Control and Prevention (CDC). Details about the two strains, I223V and S247N, were published in the journal Emerging Infectious Diseases, which is published by the CDC.

At least two cases of the flu mutations have been confirmed in humans in the U.S., the agency announced on Wednesday.

COVID-FLU COMBO VACCINE SHOWS ‘POSITIVE’ RESULTS IN PHASE 3 TRIALS, MODERNA SAYS: A 'TWO-FOR' OPTION The researchers identified a total of 101 samples of the "dual mutant" virus. The concern is that these strains of flu have shown to be resistant to the antiviral medications that are typically used to treat the virus — notably Tamiflu (oseltamivir), the common flu medication from Switzerland-based Roche. A new "dual mutant" stra.