Why is hemophilia b called christmas disease?

Christmas disease, also called hemophilia B or factor IX hemophilia, is a rare genetic disorder in which your blood doesn’t clot properly. If you have Christmas disease, your body produces little or no factor IX. read more

Haemophilia B was first recognized as a distinct disease entity in 1952. It is also known by the eponym Christmas disease, named after Stephen Christmas, the first patient described with haemophilia B. In addition, the first report of its identification was published in the Christmas edition of the British Medical Journal. read more

Hemophilia B is called Christmas disease after Stephen Christmas, the first patient suffering from it. read more