TT #8 · Parshas Tazria · Aliyah 1 · Passuk 2
English: Speak to the Israelite people thus: When a woman at childbirth bears a male, she shall be impure seven days; she shall be impure as at the time of her condition of menstrual separation.
Chabad.org — Chumash, English translation + Rashi for Vayikra 12:2
Torah Temimah cites Sifra (Toras Kohanim).
Daat — Sifra (Toras Kohanim) on Vayikra 12
English: “She is impure” — she is impure, but the child is not impure.
Textual distinction
The verse assigns the impurity to the mother rather than transferring it to the newborn.