Researchers warn of Tamiflu stockpile resistance

Pandemic response stockpiles of antivirals should not depend solely on oseltamivir because the  swine flu H1N1 influenza virus has mutated to become only one step away from resistance to the drug, Australian researchers have warned.

The A(H1N1)pdm09 virus still remains sensitive to oseltamivir but it has developed two new mutations that allow it to easily become resistant without losing any of its virulence, according to

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