Swine Flu Mutation: New Strain Found In Europe; Drug Resistant And Harsher Symptoms

03/18/2010 05:12 am ET | Updated May 25, 2011

European public health officials are investigating a handful of swine flu infections in Norway and Wales in which the virus mutated to a form that's more severe or less sensitive to drug treatment.

Five patients at a hospital in Wales contracted swine flu that resisted treatment with Roche Holding AG's Tamiflu, and three more infections are still being analyzed, the U.K. Health Protection Agency said today.

Read more on bloomberg.com

Suggest a correction