Pfizer has announced a new COVID-19 vaccine with 90% efficiency – but were fetal cell lines involved? Joseph Meaney, Ph.D., president of the National Catholic Bioethics Center, answers our questions.
Pfizer has announced a new COVID-19 vaccine with 90% efficiency – but were fetal cell lines involved? Joseph Meaney, Ph.D., president of the National Catholic Bioethics Center, answers our questions.