How Many Hemophilia B Patients Are in the US?
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4 min read
According to estimates based on data from the Centers for Disease Control and Prevention (CDC), approximately 7,000 individuals are affected by **hemophilia B** in the United States. This makes it significantly less common than hemophilia A, though both are rare, inherited bleeding disorders that require lifelong medical management. The precise number can be challenging to ascertain due to variations in data collection and reporting.
