'A revolutionary flu jab that works against every major strain of the virus could be only three years away, scientists said yesterday. 
The vaccine would fight off all strains of influenza – from the routine winter flu that brings misery to tens of thousands of people each year, to virulent new strains of the deadly bird flu.
Two injections could give up to a decade of protection. The current vaccine has to be given every autumn to catch the latest strains.
The jab is at an early stage of development, but scientists have tested it successfully on monkeys.
Safety trials have begun and its effectiveness could be tested in patients as early as 2013.'
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