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.
Jewish Publication Society of America Version (JPS1917) - Exodus 9:10 >And they took soot of the furnace, and stood before Pharaoh; and Moses threw it up heavenward; and it became a boil breaking forth with blains upon man and upon beast.