What is the global prevalence of factor IX deficiency (FIX) (hemophilia B)?

Updated: Mar 09, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Srikanth Nagalla, MD, MS, FACP  more...
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Frequency by ethnic background (countries) is currently not available. FIX deficiency has been found in many parts of the world.

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