There has never been a disease outbreak attributed to not disposing of bodies of people killed in a natural disaster. Since dead bodies are immobile, they cannot cause enough new cases each day to sustain outbreak, no matter how many there are. Fire is incorruptible. It is argued, Fire is a great purifier and nothing ever can pollute fire. This is incorrect.
Fire simply transforms polluting matter from one state to another.
Try offering fragrant wood or frankincense to fire and see how it lifts your spirit and soothes your body and mind. Now think, for a moment, what would happen if, to this same fire, rubber, garbage or dead putrefying matter was offered. You would suffer symptoms of choking, dizziness, nausea and a sunken spirit. The fact is the output depends on the input. Burning dead bodies leads to the latter.