So Haggai asked, "If one who is defiled by contact with a corpse touches any of these, does it become defiled?" "Yes, it becomes defiled," the priests answered.

Leviticus 22:4
If a descendant of Aaron has a skin disease or a discharge, he may not eat the sacred offerings until he is clean. Whoever touches anything defiled by a corpse or by a man who has an emission of semen,

Numbers 19:22
Anything the unclean person touches will become unclean, and anyone who touches it will be unclean until evening."

Hosea 9:4
They will not pour out wine offerings to the LORD, and their sacrifices will not please Him, but will be to them like the bread of mourners; all who eat will be defiled. For their bread will be for themselves; it will not enter the house of the LORD.

Then said Haggai, If one that is unclean by a dead body touch any of these, shall it be unclean? And the priests answered and said, It shall be unclean.