Leviticus 14:48-50

Complete Jewish Bible

⁴⁸ If the cohen enters, examines and sees that the infection has not spread in the house since it was plastered; then he is to declare the house clean; because the infection is cured.

⁴⁹ “To purify the house, he is to take two birds, cedar-wood, scarlet yarn and hyssop leaves. ⁵⁰ He is to slaughter one of the birds in a clay pot over running water.