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Latex agglutination testing directly from throat swabs for rapid detection of beta-hemolytic streptococci from
G F Hayden1, J C Turner, D Kiselica
1Department of Pediatrics, University of Virginia Health Sciences Center, Charlottesville 22908.
Journal of Clinical Microbiology
|March 1, 1992
Abstract:
A latex agglutination method for the rapid detection of beta-hemolytic streptococci from Lancefield serogroup C in throat swabs from 403 university students with symptomatic pharyngitis was evaluated. Compared with culture, the rapid test was poorly sensitive (34.4%) but very specific (98.4%) in detecting group C beta-hemolytic streptococci. The sensitivity of the rapid test improved with an increasing quantity of growth on culture.