Speaking at a meeting of the Royal Society in London on Tuesday (April 3), one of the scientists whose research resulted in an H5N1 virus that could spread easily between ferrets has revealed the details of how he did it. University of Wisconsin, Madison, virologist Yoshihiro Kawaoka told about 150 attendees of the 2-day meeting that 4 mutations and genes from the H1N1 virus appeared to make the bird flu virus strain readily transmissible between ferrets in his lab.
Office of Strategic Communication