According to a radio interview with the chancellor of the U of Hawaii, a flu researcher, the strain is H5N1. H1N1 was in the inoculations of the the past 2 years and gives some protection. The last time the vaccines contained H5N1 was in the 70's, but those who received shots then have some protection. She said that it will take 4 to 6 months to develop a vaccine.
Interesting map.