Plague of Boils and Open Sores
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Exodus 9:8–12
Then the LORD said to Moses and Aaron, “Take handfuls of soot from the furnace; in the sight of Pharaoh, Moses is to toss it into the air. / It will become fine dust over all the land of Egypt, and festering boils will break out on man and beast throughout the land.” / So they took soot from the furnace and stood before Pharaoh. Moses tossed it into the air, and festering boils broke out on man and beast.