The Vatican said Monday that it is “morally acceptable” to use COVID-19 vaccines, even if they used “cell lines from aborted fetuses in their research and production process.” Pope Francis, who approved the statement, is seen here in January.

Pope Francis delivers his blessing as he recites the Angelus noon prayer from the window of his studio overlooking St.Peter’s Square, at the Vatican, Sunday, Jan. 12, 2020. (AP Photo/Andrew Medichini)