וְשָׁ֥ב הַכֹּהֵ֖ן בַּיּ֣וֹם הַשְּׁבִיעִ֑י וְרָאָ֕ה וְהִנֵּ֛ה פָּשָׂ֥ה הַנֶּ֖גַע בְּקִירֹ֥ת הַבָּֽיִת׃
And the priest shall come again the seventh day, and shall look; and, behold, if the plague be spread in the walls of the house;
Read halakhic rulings (Jewish law) on Leviticus 14:39: and classical halakhic sources.