In March 2003, the world discovered, again, that humanity's battle with infectious diseases continues. The twenty-first century began with infectious diseases, especially HIV/AIDS, being discussed as threats to human rights,1 economic development,2 and national security.3 Bioterrorism in the United
As an emerging threat, SARS presents novel problems for public health. SARS challenges scientists to develop diagnostics, treatments, and a vaccine for a virus-the SARS-associated coronavirus (SARS-CoV)-not previously identified in humans. Clinicians struggled to diagnose and treat those infected with the SARS-CoV. SARS forced public health officials to respond to the international spread of a new pathogen amplified by globalization. SARS reintroduced societies to long-dormant, large-scale isolation and quarantine practices, raising questions about balancing public health and individual rights.