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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.
Resistance to the existing flu drugs Relenza and Tamiflu is becoming an increasing problem, largely due to their overuse.
http://www.bbc.co.uk/news/health-21531550
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.
Resistance to the existing flu drugs Relenza and Tamiflu is becoming an increasing problem, largely due to their overuse.
http://www.bbc.co.uk/news/health-21531550