Leviticus 13:27

The priest will examine you again on the seventh day. If it is spreading it is a dreaded skin disease. The priest will pronounce you unclean.

Treasury of Scripture Knowledge

Summary

And the priest shall look upon him the seventh day: and if it be spread much abroad in the skin, then the priest shall pronounce him unclean: it is the plague of leprosy.

It is the plague of leprosy

General references

Bible References

It is the plague of leprosy

Leviticus 13:2
If any of you have a sore on your skin or a boil or an inflammation that could develop into a dreaded skin disease, you shall be brought to the priest.

General references

Leviticus 13:7
If the sore spreads after the priest has examined you and pronounced you clean, you must return to the priest again.
Leviticus 14:39
The priest will go back and examine it again on the seventh day. If the mildew in the walls of the house has spread,