Haggai 2:13 References
13 Then Haggai said, "aIf one who is unclean from a corpse touches any of these, will the latter become unclean?" And the priests answered, "It will become unclean."
a Leviticus 22:4-6, Numbers 19:22
4 'aNo man of the descendants of Aaron, who is a leper or who has a discharge, may eat of the holy gifts until he is clean. bAnd if one touches anything made unclean by a corpse or if ca man has a seminal emission,
5 or aif a man touches any teeming things by which he is made unclean, or any man by whom he is made unclean, whatever his uncleanness;
6 a person who touches any such shall be unclean until evening, and shall not eat of the holy gifts unless he has bathed his body in water.