From the *Centers for Disease Control and Prevention, Division of STD Prevention, Atlanta, Georgia; and †University of Washington, Division of Allergy and Infectious Diseases, Seattle, Washington. The findings and conclusions in this paper are those of the author and do not necessarily represent the official position of the Centers for Disease Control and Prevention. Correspondence: Dr. Eileen Dunne, MD, MPH, Centers for Disease Control and Prevention, Division of STD Prevention, Atlanta, GA. E-mail: [email protected]. Received for publication August 4, 2008, and accepted August 18, 2008.
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