Some might like to look at page 19, where GSK are expecting bigger sales for Relenza in 2008 (US stockpiling) and the orders for the US government stockpiling is 30th November,2007.............. the deadline for orders to be in and paid for, delivery 2008........from a previous (Order draft) I found.
http://www.s1on1.com/main/index.cgi/000000A/http/www.gsk.com/investors/presentations/2008/jpmorgan-01082008.pdf
Cheers dma