Deuteronomy 28:60

Moreover he will bring upon thee all the diseases of Egypt, which thou wast afraid of; and they shall cleave unto thee.

Cross-references

Deut 7:15 promises removal of Egyptian diseases for obedience; here their return is the curse — a direct reversal.

Ex 15:26 promises protection from Egyptian diseases for those who obey; this verse threatens those same diseases for disobedience.

Amos 4:10 Allusion

Amos 4:10 describes God sending pestilence 'after the manner of Egypt' as judgment — a historical parallel to this curse.