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Scientists Work on Test for SARS

The primary impediment to slowing the spread of severe acute respiratory syndrome is the lack of a quick, effective test for the virus believed to cause the illness. Efforts to develop such a test are underway, and it's proving to be a big challenge. NPR's Richard Knox explains.

Copyright 2003 NPR

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.