Mymetics Corp (MYMX)

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Two common immortalized cell lines go by the monikers HEK-293 and HeLa. HEK-293 is a cell line isolated from a human embryo that was electively aborted in the Netherlands in 1973. Catholic leaders and other antiabortion groups have objected to the use of HEK-293 in the development of some COVID-19 vaccine candidates. Cells derived from elective abortions, including HEK-293, have been used to develop vaccines, including rubella, hepatitis A, chickenpox and more. Other fetal cell lines, such as the proprietary cell line PER.C6, are also used in vaccine development, including for COVID-19.

https://www.sciencenews.org/article/coronavirus-covid19-vaccine-ethical-issues