Grievous sore on those who have the mark of the Beast and worship his image.
שְׁחִין (shechin, H7822)
ἕλκος (helkos, G1668); κακός (kakos, G2556); χάραγμα (charagma, G5480)
And it shall become small dust in all the land of Egypt, and shall be a boil breaking forth with blains upon man, and upon beast, throughout all the land of Egypt.
And they took ashes of the furnace, and stood before Pharaoh; and Moses sprinkled it up toward heaven; and it became a boil breaking forth with blains upon man, and upon beast.
And the magicians could not stand before Moses because of the boils; for the boil was upon the magicians, and upon all the Egyptians.
And the first went, and poured out his vial upon the earth; and there fell a noisome and grievous sore upon the men which had the mark of the beast, and upon them which worshipped his image.