Leviticus 14:36
and the priest shall command that they empty the house before the priest go into it to see the plague, that all that is in the house be not made unclean; and afterwards the priest shall go in to see the house.
1 Corinthians 15:33
Be not deceived: evil communications corrupt good manners.
2 Timothy 2:17-18
and their word will spread as a gangrene; of whom is Hymenaeus and Philetus;
Hebrews 12:15
watching lest there be any one who lacks the grace of God; lest any root of bitterness springing up trouble you, and many be defiled by it;
Revelation 18:4
And I heard another voice out of the heaven saying, Come out of her, my people, that ye have not fellowship in her sins, and that ye do not receive of her plagues: