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Flu vaccine successfully tested

Flu vaccine successfully tested

A flu vaccine that could work on all known strains of the illness has been successfully tested on volunteers, a report says.

Instead of attacking proteins that sit on the virus's external coat, which could mutate, the vaccine targets proteins inside the flu virus, according to the Guardian.

The research, led by Dr Sarah Gilbert of Oxford's Jenner Institute, amounted to the first vaccine of its type to be tested on people infected with flu.

Adrian Hill, the institute's director, told the Guardian: "If we were using the same vaccine year in, year out, it would be more like vaccinating against other diseases like tetanus. It would become a routine vaccination that would be manufactured and used all the time at a steady level. We wouldn't have these sudden demands or shortages - all that would stop."

During the trial Dr Gilbert vaccinated 11 healthy volunteers and then infected them, along with 11 non-vaccinated volunteers.

She monitored the volunteers' symptoms twice a day, including runny noses, coughs and sore throats, and weighed tissues to calculate how much mucus they produced.

The vaccine boosts the number of the body's T-cells, which are important to the body's immune response, identifying and destroying cells infected by a virus.

The results, though only from a very small sample, showed the vaccine worked as planned with the vaccinated volunteers less likely to get flu and also showing a boost in T-cells.

The results have been sent to a scientific journal, with the next step a field trial to compare several thousand people.

Copyright © Press Association 2011

<http://www.jenner.ac.uk/> (The Jenner Institute)

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