The distribution of Fel D1, the cat allergen (antigen) on and in a cat’s hair and skin
A lot has been written and published on the Internet about the allergen produced by the cat, Fel D1, which causes an allergic reaction in between 10% and 20% of people. Technically, an allergen is an antigen. Historically, people generally believed that the Fel D1 allergen is in a domestic cat’s saliva. But it …