Disease is never a positive picture. It speaks of sin, being unclean and of contamination. It also speaks of being under a curse as this Scripture indicates: • Deuteronomy 28:60 Moreover he will bring upon you all the diseases of Egypt, which you were afraid of; and they will cleave to you. • Speaking of sin and the flesh: • Leviticus 13:46 All the days in which the plague [will be] in him he will be defiled; he [is] unclean: he will dwell alone; without the camp [will] his habitation [be].