nothing
5 1 And the Lord said to Moses, “Say to Aaron, r‘Stretch out your hand with your staff over the rivers, over the canals and over the pools, and make frogs come up on the land of Egypt!’” 6 So Aaron stretched out his hand over the waters of Egypt, and sthe frogs came up and covered the land of Egypt.
[1] 8:5
16 Then the Lord said to Moses, “Say to Aaron, a‘Stretch out your staff and strike the dust of the earth, so that it may become gnats in all the land of Egypt.’” 17 And they did so. Aaron stretched out his hand with his staff and struck the dust of the earth, and bthere were gnats on man and beast. All the dust of the earth became gnats in all the land of Egypt.