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Watch Online: A Hemophilia B Documentary

The “Medical Stories” episode aired on PBS stations in 2020 and ranks as our most popular content about hemophilia B.


To learn more about hemophilia B, sometimes called “Christmas Disease,” watch this episode of “Medical Stories.” PBS stations in the United States aired the program in 2020 and it’s among our most viewed videos about how patients experience a rare disease.

CSL Behring sponsored the episode, which weaves together personal experiences and scientific advances through the years. Hemophilia B affects 4,000-5,000 people in the United States and thousands more around the world.

See all our hemophilia B content.