Dual Mutant Strain of H1N1 Influenza

SOURCE www.foxnews.com
A new 'dual mutant' strain of H1N1 influenza, resistant to common flu medication, poses a threat in the U.S. CDC warns of mutations affecting antiviral drug susceptibility. Strains detected in multiple countries since May 2023.

Key Points

  • Strains I223V and S247N detected in 15 countries since May 2023
  • Mutations affect susceptibility to antiviral drugs, notably Tamiflu
  • Recommendation for annual flu vaccine for all individuals 6 months and older

Pros

  • CDC awareness and monitoring of new flu strains
  • Potential for vaccine development against new mutations

Cons

  • Strains resistant to common antiviral medication
  • Increased severity for high-risk individuals