gsgs wrote:
why should it cluster in humans more than in swine ?
we had all 8 segments before just not so many viruses.
It did show frequent reassortment which is typical for swine
but rare for human flu.
who else believes it evolves in humans ?
show some mutations that were likely acquired in humans
Please. You don't have a clue. Stick with the bable boards.
The clustering in 2010 demonstrate the adaptaion to humans. In 2011 ALL human sequences have the same constellation and the reassortment is WITHIN this sub-clade, becasue that is the subclade circulating in HUMANS. The reassortment in 2011 is between HUMAN 2011 sequences. There is only ONE example in swine, because it is much more common in humans.
You really are analytically challenged. The clustering is OBVIOUS. In Nancy Cox's slide the 2010 human sequences are COLOR CODED.
You have problems with EXTREMELY clear data.
Maybe you should read more on phylogenetic analysis. These trees can be generated with PUBLIC and FREE SOFTWARE. You seem have have problems understanding the tables you post, so maybe diagrams as represented by phylogenetic trees would help.
Evolution is pretty straightforward, for most.