en_tn/lev/13/42.md

General Information:

Yahweh continues telling Moses and Aaron what the people must do when someone has a skin disease.

infectious disease

See how you translated these words in Leviticus 13:3.

he is unclean ... pronounce him unclean

The person whom other people must not touch is spoken of as if he were physically unclean. (See: rc://en/ta/man/translate/figs-metaphor)