What is the sensitivity of throat culture for diagnosing scarlet fever?

Updated: Jun 21, 2019
  • Author: Bahman Sotoodian, MD; Chief Editor: William D James, MD  more...
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Answer

Throat cultures are approximately 90% sensitive for the presence of group A beta-hemolytic streptococci (GABHS) in the pharynx. However, because a 10-15% carriage rate exists among healthy individuals, the presence of GABHS is not proof of disease.


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