Tumah involves in death in shed off issue of flesh quarantine seven day when recovered requires mikvah in water, and on the eight day atonement. Tumah is always both tumah and tamei.
15:1 And YHWH spake unto Mosheh and to Aharon, saying:
15:2 Speak unto the Benai Yisrael, and say unto them, When any man hath a discharge out of his flesh, [because of] his issue he [is] tamei.
15:3 And this shall be his Tum'ah in his issue: whether his flesh run with his issue, or his flesh be stopped from his issue, it [is] his Tum'ah.
15:4 Every bed, whereon he lieth that hath the issue, is tamei: and every thing, whereon he sitteth, shall be tamei.
15:5 And whosoever toucheth his bed shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:6 And he that sitteth on [any] thing whereon he sat that hath the issue shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:7 And he that toucheth the flesh of him that hath the issue shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:8 And if he that hath the issue spit upon him that is Tahor (clean); then he shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:9 And what saddle soever he rideth upon that hath the issue shall be tamei.
15:10 And whosoever toucheth any thing that was under him shall be tamei until the erev: and he that beareth [any of] those things shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:11 And whomsoever he toucheth that hath the issue, and hath not rinsed his hands in water, he shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:12 And the vessel of earth, that he toucheth which hath the issue, shall be broken: and every vessel of wood shall be rinsed in water.
15:13 And when he that hath an issue is Taher (cleansed) of his issue; then he shall number to himself shivat yamim for his Tohorah (cleansing), and wash his clothes, and mikvah (bathe) his flesh in mayim chayyim (running water), and shall be Tahor (clean).
15:14 And on the eighth day he shall take to him two turtledoves, or two young pigeons, and come before YHWH (יהוה) unto the door of the tabernacle of the congregation, and give them unto the Kohen:
15:15 And the Kohen shall offer them, the one [for] a chattat (sin offering),, and the other [for] a Olah; and the Kohen shall make an atonement for him before YHWH (יהוה) for his issue.
15:16 (RY:vii, LY:vi)
And if any man's Zara (seed) of copulation go out from him, then he shall wash all his flesh in water, and be tamei until the erev.
15:17 And every garment, and every skin, whereon is the Zara (seed) of copulation, shall be washed with water, and be tamei until the erev.
15:18 The woman also with whom man shall lie [with] Zara (seed) of copulation, they shall [both] mikvah (bathe) [themselves] in water, and be tamei until the erev.
15:19 And if a woman have an issue, [and] her issue in her flesh be blood, she shall be put apart shivat yamim: and whosoever toucheth her shall be tamei until the erev.
15:20 And every thing that she lieth upon in her niddah (separation) shall be tamei: every thing also that she sitteth upon shall be tamei.
15:21 And whosoever toucheth her bed shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:22 And whosoever toucheth any thing that she sat upon shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:23 And if it [be] on [her] bed, or on any thing whereon she sitteth, when he toucheth it, he shall be tamei until the erev.
15:24 And if any man lie with her at all, and her flowers be upon him, he shall be tamei shivat yamim; and all the bed whereon he lieth shall be tamei.
@15:25 And if a woman have an issue of her blood many days out of the time of her niddah (separation), or if it run beyond the time of her niddah (separation); all the days of the issue of her Tum'ah shall be as the days of her niddah (separation): she [shall be] tamei.
15:26 Every bed whereon she lieth all the days of her issue shall be unto her as the bed of her niddah (separation): and whatsoever she sitteth upon shall be tamei, as the Tum'ah of her niddah (separation).
15:27 And whosoever toucheth those things shall be tamei, and shall wash his clothes, and mikvah (bathe) [himself] in water, and be tamei until the erev.
15:28 But if she be Taher (cleansed) of her issue, then she shall number to herself shivat yamim, and after that she shall be Tahor (clean).
15:29 (LY:vii)
And on the eighth day she shall take unto her two turtles, or two young pigeons, and bring them unto the Kohen, to the door of the Tent of Meeting.
15:30 And the Kohen shall offer the one [for] a chattat (sin offering),, and the other [for] a Olah; and the Kohen shall make an atonement for her before YHWH (יהוה) for the issue of her Tum'ah.
15:31 (Maftir)
Thus shall ye separate the Benai Yisrael from their Tum'ah; that they die not in their Tum'ah, when they defile my tabernacle that [is] among them.
15:32 This [is] the Torah of him that hath an issue, and [of him] whose Zara (seed) goeth from him, and is defiled therewith;
15:33 And of her that is sick of her flowers, and of him that hath an issue, of the man, and of the woman, and of him that lieth with her that is tamei.
Haftarah Metzora: Melakim Bet 7:3-20
Brit Hadashah : Mattiyahu 9:20-26; Markos 5:24b-34; Loukas 8:42b - 48, Irvim 13:4
The term "niddah" meaning to separate, menstruant and "zavah" (one with a flow) 0 - require bathe, scrub clothes, and wait seven days to restore purity
shivat yamim seven days
The Eight day: Type of offering Sin offering and burnt offering. Eight is a symbol of the glory of YHWH (יהוה), it is the symbol of the New begining, It is a symbol of the perfect Kingdom (after the 7th millenium 8th millenium) Eight is a symbol of Moshiach. Tumah is a person dying off the living dead