And the LORD will strike Egypt with a plague; He will strike them but heal them. They will turn to the LORD, and He will hear their prayers and heal them.
KJV
And the LORD shall smite Egypt: he shall smite and heal [it]: and they shall return [even] to the LORD, and he shall be intreated of them, and shall heal them.
ASV
And Jehovah will smite Egypt, smiting and healing; and they shall return unto Jehovah, and he will be entreated of them, and will heal them.