Strong H6879 צָרַע tsâra‛ · be leprous

Numbers

1. Numbers 5:2
   Command the children of Israel, that they put out of the camp every leper, and every one that hath an issue, and whosoever is defiled by the dead:
2. Numbers 12:10
   And the cloud departed from off the tabernacle; and, behold, Miriam became leprous, white as snow: and Aaron looked upon Miriam, and, behold, she was leprous.