-Lack of informed consent
-Science does not know the long-term effects of a certain substance
-Some Covid-19 vaccines developed using cell lines derived from the organs of aborted children (Included vaccines financed by US Government)
-Sanofi Pasteur has committed to develop a Covid-19 vaccine that does not make use of cell lines derived from abortions
The Catholic Church is not anti vaccine but does mention it’s important to ask for ethically produced vaccines.