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www.fdanews.com/articles/134685-tumor-drug-also-fights-the-flu-other-viruses

Tumor Drug Also Fights the Flu, Other Viruses

March 1, 2011
Ever get a flu shot and still get the flu? If so, there’s new hope for flu-free winters in the years to come thanks to a new discovery by researchers who found that a drug called DMXAA, originally developed as anti-tumor agent, enhances the ability of flu vaccines to ward off this deadly virus.
Science Daily