The California Catholic Conference accurately notes, "Vaccine development and production over the last several decades has often relied upon some cell lines that regrettably were originally developed from cells obtained from two fetuses that were aborted in the ‘70s and ‘80s."  The California Catholic Conference also accurately notes, "The Vatican’s doctrinal office, the Congregation for the Doctrine of the Faith (CDF), has determined that it is 'morally acceptable' for Catholics to take these vaccines against the COVID-19 Virus." However, the conclusion of the above two agencies goes against not only ancient Popes, but even Pope John Paul II in Evangelium Vitae: This moral condemnation also regards procedures that exploit living human embryos and fetuses-sometimes specifically "produced" for this purpose by in vitro fertilization-either to be used as "biological material" or as providers of organs or tissue for transplants in the treatment [...]