Leviticus 14:48-54

⁴⁸But when the priest comes to examine the house after it has been plastered, if the mildew has not spread, he shall declare that people may live in it, because the mildew is gone.

⁴⁹But before people are allowed to live in it, the priest must take two small birds and some cedar wood and some red/scarlet yarn and some hyssop.

⁵⁰He must kill one of the birds while holding it over a clay pot containing water from a spring.

⁵¹Then he must take the cedar wood, the hyssop, the red/scarlet yarn, and the other/living bird, and dip them into the blood of the dead bird, and sprinkle some of that blood on the house seven times.

⁵²By doing all those things he will cause the house to be acceptable to be lived in again.

⁵³Then he must release the other bird and allow it to fly away. By doing that, he will finish the ritual for causing the house to be acceptable for people to live in it again.

⁵⁴Those are the regulations for contagious diseases, for itching sores,