Flu Strain Resistant to Leading Flu Treatment

Preliminary tests reveal that the dominant flu strain in the country mostly is resistant to the leading drug used to treat it, public health officials say. Tamiflu, the most commonly used "anti-viral" drug -- one that many families have stockpiled against an outbreak of the much-feared "bird flu" -- seems ineffective this year against treating the most common form of influenza. Doctors are struggling to understand why 99 percent of the H1N1 flu strain no longer responds to Tamiflu. "This...Full Story
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