Both companies used the fetal cell line HEK 293 in the confirmation phase to ensure the vaccines work. All HEK 293 cells are descended from tissue taken from a 1973 elective abortion that took place in the Netherlands.
Note: I couldn’t care less how many generations have passed. It got its start from an aborted baby
Confirmatory testing is performed by an independent third party. All confirmatory testing was performed after doses had already been produced, bottled, and in the freezer ready to ship. Neither Moderna nor Pfizer have any say in how the independent third party does their testing, per FDA rules.
Pinning what the independent third party decided to do on the products from Pfizer and Moderna (and Novavax for that matter) would be like saying that if some lab bought Tylenol off the shelf at Walgreens and tested it on fetal stem cells, all Tylenol now and forever is tainted by abortion. That’s a bizarre position to take. The doses were in the freezer ready for use, but the FDA says “send it here and let them confirm what you’re telling us”. And the place it goes uses fetal stem cells to test. The product - which has already been made - is still free from any ethical issues.