And the LORD will take away from you all sickness, and none of the evil diseases of Egypt, which you knew, will he inflict on you, but he will lay them on all who hate you.
Here, I. The caution against idolatry is repeated, and against communion with idolaters: "Thou shalt consume the people, and not serve their gods." Deu 7:16. We are in danger of having fellowship with the works of darkness if we take pleasure in fellowship with those that do those works. Here is also a repetition of the charge to destroy the images, Deu 7:25, Deu 7:26.
Commenting on Deuteronomy 7:12-26
And will take away from thee all sickness,.... Bodily sickness and diseases, prevent the coming of them, or remove them when come: and will put none of the evil diseases of Egypt which thou knowest upon thee; meaning either the plagues that were inflicted upon them to oblige them to let the Israelites go, of which they had perfect knowledge; or else some noxious and...
the evil diseases of Egypt--(See Exo 15:26). Besides those with which Pharaoh and his subjects were visited, Egypt has always been dreadfully scourged with diseases. The testimony of Moses is confirmed by the reports of many modern writers, who tell us that, notwithstanding its equal temperature and sereneness, that country has some indigenous maladies which are very malignant, such as ophthalmia, dysentery, smallpox, and the plague.