Immunogenetics Immunogenetics Immunogenetics or immungenetics is the branch of medical genetics that explores the relationship between the immune system and genetics. Autoimmune diseases, such as type 1 diabetes, are complex genetic traits which result from defects in the immune system. Identification of genes defining the immune defects may identify new target genes for therapeutic approaches. Alternatively, genetic variations can also help to define the immunological pathway leading to disease. Its origin is usually attributed to Edward Jenner, who discovered in 1796 that cowpox, or vaccinia, induced protection against human smallpox. It took two centuries before the World Health Organization announced in
Caitlyn Jenner Lou Retton succeeded Jenner in 1984. On November 22, 1977, Jenner went to San Francisco to refute charges filed by San Francisco district attorney Joseph Freitas that General Mills—the maker of Wheaties—had engaged in deceptive advertising in its campaign that featured Jenner. Jenner liked Wheaties and ate the breakfast cereal two or three times a week, which supported the advertising campaign's claims. Two days later, Freitas withdrew the suit, saying that it was "a case of overzealousness" on the part of his staff. When Jenner came out as a trans woman in 2015, General Mills stated that: "Bruce Jenner continues