A highly contagious stress of avian flu is spreading to several states within the U.S. Wisconsin is basically the most fashioned speak to file discovering h5n1 – the scientific identify for the avian flu – after discovering it in a industrial chicken flock. Avian flu has now been impress in 15 states. Inferior-species unfold is doable, though now not going. Dr. William Schaffner of Vanderbilt College Medical Center instructed CBS Recordsdata, “Or now not it’s a ways a for sure rare match, it requires very shut affiliation of the human with the chook.”