Thematic Bible: An inflammatory abscess

then shall they become fine dust, over all the land of Egypt, - and shall become on man and on beast, a burning sore, breaking out in pustules in all the land of Egypt. So they took the ashes of an oven and stood before Pharaoh, and Moses scattered them towards the heavens, - and it came to pass that there was a burning sore in pustules breaking out, among men, and among beasts;