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===Rapid Antigen Detection Test Algorithm for Acute [[Pharyngitis]]<ref>Shulman, et al. Clinical Practice Guideline for the Diagnosis and Management of Group A Streptococcal Pharyngitis: 2012 Update by the Infectious Diseases Society of America. Clinical Infectious Diseases 2012;55(10):1279–82</ref>===
{| {{table}}
| align="center" style="background:#f0f0f0;"|'''Category'''
| align="center" style="background:#f0f0f0;"|'''Testing and Treatment'''
|-
| Clinical features strongly suggesting viral etiology (eg. cough, rhinorrhea, hoarseness, oral ulcers)||
*None
|-
| <3 years old||
*None
**Unless they have a special risk factor (e.g. older sibling with GAS infection)
|-
| CENTOR = 1||
*None
|-
| None of the above with CENTOR ≥2||
*Send rapid antigen detection test
**Positive = treat 
**Negative 
***Children and adolescents 
****Send back up throat culture (treat later, if positive) 
***Adults
****None (no need for back up throat culture)
|}
''Diagnostic testing or empiric treatment of asymptomatic household contacts of patients with acute streptococcal pharyngitis is not routinely recommended''