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SARS Virus Tied to Animal Species; 'Relapse' in Toronto

By Richard Knox
Published May 23, 2003 at 9:00 PM MST

Toronto health officials investigate five possible new cases of sudden acute respiratory syndrome, and have quarantined about 20 health workers as a result. But there's also promising news about the possible source of SARS. A similar virus has been found in several types of animals in southern China. NPR's Richard Knox reports.

Copyright 2003 NPR
Richard Knox
Since he joined NPR in 2000, Knox has covered a broad range of issues and events in public health, medicine, and science. His reports can be heard on NPR's Morning Edition, All Things Considered, Weekend Edition, Talk of the Nation, and newscasts.
See stories by Richard Knox