New Universal H1N1 Vaccine May End Annual Flu Shots, Say US Scientists

HEALTH & WELLNESS

By Aniket Chakraborty May 19, 2025 Arrow

The new universal vaccine protects against swine flu, bird flu, and human influenza.

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It was tested successfully on pigs using a strategy designed with AI software called Epigraph.

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The pigs developed antibodies to decades of flu strains—and stayed protected for 6 months.

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Researchers estimate the immunity may last up to 10 years with no booster required.

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The new vaccine outperformed both commercial and wild-type swine flu vaccines.

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This is key because H1 variants are more frequent and genetically diverse than H3.

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Swine often act as viral mixing vessels—spreading new flu strains to humans.

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Preventing flu in pigs could stop pandemics before they reach humans.

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The ultimate goal? Eliminate flu outbreaks by cutting off the virus’s evolutionary pathway.

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