Extractions: Vol. 291 No. 22, June 9, 2004 Featured Link E-mail Alerts From the Centers for Disease Control and Prevention: Morbidity and Mortality Weekly Report Article Options Extract PDF Send to a Friend Similar articles in this journal Literature Track Add to File Drawer Download to Citation Manager Contact me when this article is cited Topic Collections Public Health, Other Topic Collection Alerts JAMA. MMWR. 2004;53:306-309 1 table, 1 figure omitted Measles has not been endemic in the United States since 1997, although limited outbreaks continue to be caused by imported* cases. In 2003, CDC assisted in investigating the largest school outbreak of measles in the United States since 1998. The outbreak consisted of 11 laboratory-confirmed cases: nine cases in a boarding school in eastern Pennsylvania and two epidemiologically linked cases in New York City (NYC). This report summarizes