Leviticus 14:48-50

New Revised Standard Version, Anglicised Catholic Edition

⁴⁸ If the priest comes and makes an inspection, and the disease has not spread in the house after the house was plastered, the priest shall pronounce the house clean; the disease is healed. ⁴⁹ For the cleansing of the house he shall take two birds, with cedar wood and crimson yarn and hyssop, ⁵⁰ and shall slaughter one of the birds over fresh water in an earthen vessel,