RE: the use of HK293 cells in the development of BioNtec Covid19 vaccine. HK means Human Kidney and it’s labeled 293 because that’s how many experimental attempts (live birth & removal of kidneys while alive, also known as infanticide) the researchers needed to get a working cell line. Therefore it is not just one abortion that people are objecting to, it is at least 293. Catholic Conscience and the COVID-19 Vaccine. https://www.crisismagazine.com/2021/catholic-conscience-and-the-covid-19-vaccine Pfizer claimed that the Pope said that the vaccine did not pose a problem for Catholics, However, this article points out that conscience (i.e. informed consent) is developed at an individual level and can set a higher bar than that set by the head of the Catholic church.