3 ms·
It's been a while since I looked into it but IIRC both Pfizer and Moderna used HEK 293 during testing phases. There isn't a vaccine available that is completel
by philsnow 6y ago
It's been a while since I looked into it but IIRC both Pfizer and Moderna used HEK 293 during testing phases. There isn't a vaccine available that is completely free of participation, however remote, in the use of the HEK 293 stem cell line or similar.
- josephcsible 6y agoPfizer and Moderna only used cells from aborted babies to test their vaccines. Johnson and Johnson uses them to produce doses of their vaccine.