Pandemic 2009 H1N1 vaccination produces antibodies against multiple flu strains

See on Scoop.itVirology News

“The pandemic 2009 H1N1 vaccine can generate antibodies in vaccinated individuals not only against the H1N1 virus, but also against other influenza virus strains including H5N1 and H3N2.”

 

And a possible reason for this could be that the H1N1pdm virus’ haemagglutinin is a natural “ancestral” sequence – the kind that HIV vaccine researchers are looking for for gp120/160, which have been shown to elicit a wider spectrum of cross-reacting antibodies than “evolved” proteins, or ones that have been selected for antigenic escape in humans for a good few viral generations.

 

Flu vaccine graphic by Russell Kightley Media

See on www.eurekalert.org

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