HEK-239 cell lines…no thank you.
There are multiple vaccine candidates which did not use any fetal stem cells during any part of their development. Novavax, Sanofi Pasteur, GlaxoSmithKline (GSK), and Sinovac, are using ethically-derived cell lines.
https://www.pop.org/which-covid-19-vaccines-are-being-developed-with-fetal-cell-lines-derived-from-aborted-babies/