Thematic Bible: Purifying the leper

And he shall take two birds and {cedar wood} and a {crimson thread} and hyssop to cleanse the house; and he shall slaughter the first bird over fresh water on a clay vessel. Then he shall take the {cedar wood} and the hyssop and {the crimson thread} and the living bird, and he shall dip them in the slaughtered bird's blood and in the fresh water, and he shall spatter [them] on the house seven times. read more.
Thus he shall purify the house with the bird's blood and with the fresh water and with the living bird and with the {cedar wood} and with the hyssop and with {the crimson thread}.

then the priest shall command, and he shall take two living, clean birds and {cedar wood} and {a crimson thread} and hyssop for the one who presents himself for cleansing. Then the priest shall command [someone] to slaughter one bird over fresh water in a clay vessel. He must take the living bird and the {cedar wood} and {the crimson thread} and the hyssop, and he shall dip them and the living bird in the bird's blood slaughtered over the fresh water. read more.
And he shall spatter [the blood] seven times on the one who presents himself for cleansing from the infectious skin disease, and he shall declare him clean, and he shall send the living bird {into the open field}.