Death due to natural disaster is generally caused by dull trauma. Big number of corpse within short period in disaster area can cause fear of epidemic, however there is not any proof yet declaring that those corpse increase the risk of post-disater epidemic. When death occurs immediately after disaster, the human corpse does not cause epidemic. The infection sources are usually from the survivor than those who died due to disaster. Death due to communicable disease, pathogen organism could not survive in a dead body except on some cases that needs special treatment such as death due to cholera or dengue.