A Wisconsin virology team that created a more contagious form of bird flu did not produce a highly lethal superflu, as a Dutch team famously and controversially did last year, according to the leader of the Wisconsin team.
Dr. Yoshihiro Kawaoka of the University of Wisconsin-Madison and the University of Tokyo said in a commentary published online by Nature magazine that his team’s virus had infected ferrets through the air, but did not kill any of them. Ferrets catch flu just as humans do. Also, he said, “current vaccines and antiviral compounds are effective against it.”
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