Key Takeaways
TUESDAY, May 28, 2024 -- An experimental mRNA vaccine against the H5N1 avian flu is highly effective in preventing severe illness and death in lab animals, researchers report.
“During previous influenza pandemics, like the 2009 H1N1 pandemic, vaccines were difficult to manufacture and did not become available until after the initial pandemic waves subsided,” Hensley added in a university news release.Experts inject fertilized chicken eggs with flu strains they expect will be the most dominant and virulent and let it replicate. They then inactivate the virus to use in flu shots.
“COVID-19 showed us the power of mRNA-based vaccines as tool to protect humans from emerging viruses quickly, and we are better prepared now to respond to a variety of viruses with pandemic potential, including influenza,” Weissman added. The experimental vaccine elicited a strong immune response in lab mice and ferrets, researchers reported May 23 in the journal Nature Communications.
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