In Brief CCC 419
© Libreria Editrice Vaticana Source: vatican.va
"We therefore hold, with the Council of Trent, that original sin is transmitted with human nature, "by propagation, not by imitation" and that it is. . . 'proper to each'" (Paul VI, CPG # 16).
Read the full chapter 1. I Believe in God the Father ¶198–421