From the Department of Medicine and Pediatrics, Emory University School of Medicine, Atlanta, GA.
Accepted for publication September 13, 2006.
Address for correspondence: Walter A. Orenstein, MD, Emory Vaccine Center, Room 446, Dental Building, 1462 Clifton Rd, NE, Atlanta, GA 30322. E-mail: [email protected].
doi: 10.1097/01.inf.0000246840.13477.28