In connection with the leper's disease, take care to keep and do every detail of the teaching of the priests, the Levites: as I gave them orders, so you are to do.

Now there were four lepers seated at the doorway into the town: and they said to one another, Why are we waiting here for death?

And every

Say to the children of Israel: If a man has an unclean flow from his flesh, it will make him unclean.

And whosoever

And there were certain men who were unclean because of a dead body, so that they were not able to keep the Passover on that day; and they came before Moses and before Aaron on that day:

Anyone touching a dead body will be unclean for seven days:

You yourselves will have to keep outside the tent-circle for seven days, anyone of you who has put any person to death or come near a dead body; and on the third day and on the seventh day make yourselves and your prisoners clean.

And the Lord said to Moses, Say to the priests, the sons of Aaron, Let no man make himself unclean for the dead among his people;

General references

If any man among you becomes unclean through anything which has taken place in the night, he is to go out from the tent-circle and keep outside it:

Then Haggai said, Will any of these be made unclean by the touch of one who is unclean through touching a dead body? And the priests answering said, It will be made unclean.