The Loudoun County Area Agency on Aging will present an educational seminar, "Be Prepared for Medicare Enrollment," Thursday, March 25, at 12 p.m. at the County Government Center in Leesburg. This free program is open to professionals workinthe field, older adults, caregivers, and anyone interested in learning about Medicare. The seminar will be held in the Lovettsville Room. To sign up, call 703-777-0257 or send an email to aaa@loudoun.gov.