Leviticus 12:4

12:4 Then she will remain thirty-three days in blood purity. She must not touch anything holy and she must not enter the sanctuary until the days of her purification are fulfilled.

Leviticus 13:7

13:7 If, however, the scab is spreading further on the skin after he has shown himself to the priest for his purification, then he must show himself to the priest a second time.

Leviticus 15:13

Purity Regulations for Male Bodily Discharges

15:13 “‘When the man with the discharge becomes clean from his discharge he is to count off for himself seven days for his purification, and he must wash his clothes, bathe in fresh water, and be clean.