Shall wash his clothes. — This was done not to disinfect them, for leprosy, as we have seen, was not contagious, but as an act of purification, which was performed after every kind of defilement. (See Leviticus 6:20; Leviticus 11:25, &c.)
And shave off all his hair. — The razor had to pass over the whole of his body, even his secret parts. A similar process was undertaken at the consecration of the Levites. (Comp. Numbers 8:7.)
And shall tarry abroad out of his tent — But though permitted to return to the camp, yet he had to live the first week out of his own house. This the authorities during the second Temple rightly regarded as an euphemism for seclusion from connubial intercourse during the first seven days, in order that he might not contract impurity (see Leviticus 15:10), and thus interrupt the period of holy preparation. Hence the ancient Chaldee Version of the so-called Jonathan translates it: “He shall sit without the tent of the house of his habitation, and shall not come near to the side of his wife seven days.” With this ended the first stage of purification, which restored the convalescent to his social or civil privileges, but not to the sanctuary.