Here are some useful links about dealing with the dead after a disaster
The first group puts to bed the wide spread notion that dead bodies (of people who were healthy before death) are a source of contagious diseases, and why they are not: (Later edit: to clear up a misunderstanding, these articles refer to healthy people who have died, not to people who have died from disease – such bodies must be handled in a way to minimize the potential to spread the disease further).
This second group gives some information about how to dispose of dead bodies in a disaster situation:
Bugs Bunny: "I speak softly, but I carry a big stick."
Yosemite Sam: "Oh yeah? Well I speak LOUD! and I carry a BIGGER stick! and I use it, too!" BAM!