ping...
The gene or gene segment (or whatever it’s called, I’m a science idiot) is the same as the one in H5N1. Apparently it transferred to seasonal flu, as that particular gene is in some of the strains of H5N1, notably in Egypt. I get my info from Pandemic Information Forum:
http://www.singtomeohmuse.com/viewforum.php?f=1&sid=5f711be137c713a185b98a2a43267720
thanks, bfl