When the cloud went away from over the tent, Miriam suddenly developed a skin disease flaky like snow. Aaron turned toward Miriam and saw her skin disease.
References for Numbers 12:10
Then Aaron said to Moses, "Oh, my master, please don't punish us for the sin that we foolishly committed.
Please don't let her be like the stillborn, whose flesh is half eaten as it comes out of the mother's womb."
So Moses cried to the LORD, "God, please heal her!"
The LORD said to Moses, "If her father had spit in her face, would she not be shamed for seven days? Let her be shut out of the camp for seven days, and afterward she will be brought back."
So they shut Miriam out of the camp seven days. And the people didn't march until Miriam was brought back.
Afterward the people marched from Hazeroth, and they camped in the Paran desert.