Doctors diagnosed Orr, the mother of two girls, with paroxysmal hemoglobinuria and she has a blood transfusion every five weeks.
Becoming a member of the national bone-marrow registry will take about 10 minutes, organizers said, as attendees fill out a form and then have their cheek swabbed. For more information, contact midwest boulevard Christian Church Drive Coordinator Alex Moore at 769-6747 or Oklahoma Blood Institute program Coordinator Audrey Womack at 297-5503.