God said to Moses, "Go to Pharaoh and tell him, 'God, the God of the Hebrews, says: Release my people so they can worship me.
If you refuse to release them and continue to hold on to them,
I'm giving you fair warning: God will come down hard on your livestock out in the fields - horses, donkeys, camels, cattle, sheep - striking them with a severe disease.
God will draw a sharp line between the livestock of Israel and the livestock of Egypt. Not one animal that belongs to the Israelites will die.'"
Then God set the time: "Tomorrow God will do this thing."
And the next day God did it. All the livestock of Egypt died, but not one animal of the Israelites died.
Pharaoh sent men to find out what had happened and there it was: none of the livestock of the Israelites had died - not one death. But Pharaoh stayed stubborn. He wouldn't release the people. Strike Six: Boils