You piqued my interest to investigate this further. The totality of my efforts show the vaccine is not the progeny of fetal tissue. However, there is a discrepancy regarding testing against fetal lines. Some sites say no testing, others allege testing. The attached link says yes and no, without further delineation
https://www.epm.org/blog/2021/Jan/13/covid-vaccines-fetal-cells
https://s27589.pcdn.co/wp-content/uploads/2020/12/CHART-Analysis-of-COVID-19-Vaccines-02June21.pdf
Sorry. Meant to post this link