MILWAUKEE, July 10 (UPI) -- A U.S. medical team has found a way of spotting genes that help spread the bird flu, the subject of global concern as a potential pandemic threat.

MADISON, Wis., Jan. 23 (UPI) -- U.S. scientists have devised a technique that might allow researchers to study the deadly Ebola virus in other than a few highly specialized laboratories.

LONDON, Oct. 7 (UPI) -- A new strain of the bird flu virus spreading around the world is more infectious to humans, a study lead by a U.S. researcher has found.

MADISON, Wis., Jan. 18 (UPI) -- U.S. researchers have determined the influenza virus that killed about 50 million people worldwide in the 1918 pandemic is also lethal in non-human primates. The study led by Yoshihiro Kawaoka of the University of Wisconsin confirms it was the virulence a

TOKYO, Nov. 16 (UPI) -- Japanese scientists say they have discovered two mutations in the H5N1 avian influenza virus that enable it to recognize human receptor proteins.

MADISON, Wis., March 22 (UPI) -- A University of Wisconsin-led international study reveals an anatomical cell difference that makes it difficult for a virus to jump from human to human.

MADISON, Wis., Jan. 26 (UPI) -- University of Wisconsin-Madison scientists say how the influenza virus organizes its genetic contents is selective and not random, as previously thought.

HANOI, Vietnam, Oct. 14 (UPI) -- The H5N1 strain of bird flu that infected a Vietnamese girl in February was resistant to the antiviral drug Tamiflu, say researchers.