re: grandpatb, writers intent.
I think may jaded view of reading PR comes from too much time investing in biotechs :-)
The sad thing is, in the W Nile V. case, there may be some good science behind it. But it gets so dumbed down to go through the media that we have no clue.
On subject, I certainly believe thatwe will have some AGW (global warming). But I am unclear why anybody believes this will cause a serious increase in diesaes. Poverty is MUCH more significant than tempeture in this respect.