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Citing ethical concerns about the use of fetal cells in vaccine development, Bishop Joseph Brennan of the Diocese of Fresno is urging Catholics not to “jump on the COVID-19 vaccine bandwagon.”

In a video shared by the diocese this week, Brennan said that some of the researchers racing to produce a coronavirus vaccine have made use of cells derived from an aborted fetus, and perhaps other “morally objectionable” materials.

“I try to maintain a joyful spirit, so I don’t like to rain on anyone’s parade,” Brennan said. “But I’m going to rain on a parade today: the vaccine parade.”

In his message, Brennan said the use of fetal cells at any stage of a vaccine’s development means Catholics cannot avail themselves of its scientific results.

Read the full story on LATimes.com.