King James Version
Then the LORD will make thy plagues wonderful, and the plagues of thy seed, even great plagues, and of long continuance, and sore sicknesses, and of long continuance.New International Version
the LORD will send fearful plagues on you and your descendants, harsh and prolonged disasters, and severe and lingering illnesses.Catholic Public Domain Version
then the Lord will increase your plagues, and the plagues of your offspring, plagues great and long-lasting, infirmities very grievous and continuous