Major flu strain resistant to widely used antiviral drug

One of the major strains of the influenza virus this season has become resistant to Tamiflu - rendering the mainstay antiviral drug all but impotent and creating tough treatment options for patients who come down with the flu.

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<p><a href="http://www.physorg.com/news151249561.html">Major flu strain resistant to widely used antiviral drug</a></p> <p>One of the major strains of the influenza virus this season has become resistant to Tamiflu - rendering the mainstay antiviral drug all but impotent and creating tough treatment options for patients who come down with the flu.</p>