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Flu Drugs May Do More Harm Than Good, Researchers Find

Tamiflu and Relenza, antiviral drugs stockpiled by governments to tame influenza outbreaks, haven’t been proven to prevent pandemics and may cause more harm in some patients than good, researchers said after reviewing 170,000 pages of clinical-trial data.

The findings, published today in the journal BMJ, came from the Cochrane Collaboration, a nonprofit U.K. research organization, using information obtained from Roche Holding AG, maker of Tamiflu, and GlaxoSmithKline Plc, which sells Relenza.