Dec 5, 2014

Prepare for severe flu season: U.S. health chiefs

This year’s flu season could be especially severe, U.S. health authorities warned Thursday, adding that genetic mutations mean the vaccine won’t be as effective against some of the most prevalent flu strains. So far this season, most flu patients in the United States have ...

Jul 3, 2014

Scientist creates 'invincible' strain of H1N1 flu

A Japanese scientist working in the United States said Wednesday he has engineered a virulent new strain of the swine flu virus that could spread unchecked because it defeats the human immune system. The research, on the 2009 H1N1 virus at a high-security lab ...