וַיָּ֤שָׁב אַהֲרֹן֙ אֶל־מֹשֶׁ֔ה אֶל־פֶּ֖תַח אֹ֣הֶל מוֹעֵ֑ד וְהַמַּגֵּפָ֖ה נֶעֱצָֽרָה׃ (פ)
And Aaron returned unto Moses unto the door of the tent of meeting, and the plague was stayed.
Read kabbalistic (mystical) interpretation of Numbers 17:15: and classical mystical sources.