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'Dual Mutant' Seasonal Flu Virus Could Make Some Treatments Ineffective

THURSDAY, June 13, 2024 (HealthDay News) -- Two human cases of "dual mutant" strains of H1N1 flu have been reported by U.S. health officials.

Unfortunately, the genetic changes appear to render the leading flu antiviral, Tamiflu, less effective, researchers from the U.S. Centers for Disease Control and Prevention noted.

The new analysis, published Wednesday in the agency's Emerging Infectious Diseases journal, describes these two concerning mutations -- which scientists have dubbed I223V and S247N.

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