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Fri Feb 22, 2013, 08:29 AM

Flu drug 'shows promise' in overcoming resistance


Resistance to the existing flu drugs is becoming an increasing problem

A new type of flu drug that can stop resistant strains in their tracks shows promise, say US researchers.

It permanently blocks a key enzyme on the surface of the flu virus, stopping it from spreading to other cells.

In mice it was found to effective against strains which were resistant to the two flu antivirals currently on the market, the journal Science reported.

The World Health Organization estimates that influenza affects three to five million people every year.

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