title: Update: hemophilia surveillance project.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D006679:HIV Seropositivity / Q000453:epidemiology; D006467:Hemophilia A / Q000453:epidemiology*; D002836:Hemophilia B / Q000453:epidemiology; D006506:Hepatitis A / Q000453:epidemiology; D006509:Hepatitis B / Q000453:epidemiology; D006526:Hepatitis C / Q000453:epidemiology; D006801:Humans; D009825:Oklahoma / Q000453:epidemiology; D011159:Population Surveillance; D015995:Prevalence