Nurse Laura Bailey draws the Moderna vaccine from the first batch of Moderna's vaccine at Hartford hospital in Hartford, Connecticut on December 21, 2020.

Joseph Prezioso
Nurse Laura Bailey draws the Moderna vaccine from the first batch of Moderna's vaccine at Hartford hospital in Hartford, Connecticut on December 21, 2020.

COMMENTARY: The Pontifical Academy for Life has said that Catholics may use, in a narrowly defined limit, vaccines prepared with cell lines derived from aborted children, but with strong warnings regarding our obligation to protest. Here’s how to demand ethical options in biomedical research.