Alexandra M. Stewart is assistant research professor in the Department of Health Policy at the George Washington University School of Public Health and Health Services. Ms. Stewart has performed research in two areas: 1) the intersection of immunization law and health policy, and 2) the community integration of persons with disabilities. Ms. Stewart directs an initiative on the epidemiology of U.S. immunization law, funded by the Centers for Disease Control and Prevention. Ms. Stewart has drafted model statutes addressing state private insurance law for immunization coverage; establishment of state immunization registries; data sharing among immunization registries; and establishment of perinatal and infant hepatitis B testing and vaccination programs. She earned her law degree from the George Washington University Law School.