Strain of Bird Flu Resists Antiviral Drug
A strain of the H5N1 bird flu virus is showing resistance to Tamiflu, the antiviral drug that countries around the world are now stockpiling to fend off the looming threat, researchers said.
They urged drug manufacturers to make more effective versions of Relenza, another antiviral that is also known to be effective in battling the much-feared H5N1. Relenza is inhaled. “There are now resistant H5N1 strains appearing, and we can’t totally rely on one drug,” said pharmacologist William Chui of Queen Mary Hospital in Hong Kong.
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