In 1962, Leonard Hayflick created a cell strain from an aborted fetus. More than 50 years later, WI-38 remains a crucial, but controversial, source of cells. The woman was four months pregnant, but she didn't want another child. In 1962, at a hospital in Sweden, she had a legal abortion... --snip-- “Other vaccines are produced in a completely morally non-objectionable way. So why aren't we doing this with all vaccines?” says Debi Vinnedge, the executive director of Children of God for Life, a group based in Largo, Florida, that opposes the use of WI-38 in vaccine-making. In 2003, Vinnedge wrote...