Parashas Metzora · Passuk 15:08
Chabad.org — English translation + Rashi
Torah Temima points to Toras Kohanim.
English: “And if he spits” — I have only his spit; his sputum, his nasal mucus, and the fluid of his nose — from where? Scripture teaches “and if he spits.”
Expansion of oral/nasal fluids
Chazal include related fluids of the zav (sputum, mucus) under the impurity of spit.