CDC, in collaboration with state and local health departments, the World
Health Organization (WHO), and other partners, continues to investigate cases
of severe acute respiratory syndrome (SARS). During November 1, 2002–May
7, 2003, a total of 6,903 SARS cases were reported to WHO from 29 countries,
including the United States; 495 deaths (case-fatality proportion: 7.2%) have
been reported.1 This report updates information
on reported U.S. SARS cases.