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Group A Streptococcal Infections
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
- Attribution
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Diagnosis & Tests
How is the infection diagnosed?
Infected material from the throat, blood, or a wound can be cultured. A culture is a sample that is tested for bacterial growth. Throat cultures are used to diagnose strep throat or scarlet fever. An antibody titer test may be used to look for antibodies to GAS.