None
None because immature immune system not mature enough to develop anti-streptolysin O (ASO) antibodies and acute rheumatic fever.
Unless they have a special risk factor (e.g. older sibling with GAS infection)
Unless they have a special risk factor (e.g. older sibling with GAS infection)
None
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)
Positive = treat
Negative
Children and adolescents
Send back up throat culture (treat later, if positive)
Adults
None (no need for back up throat culture)
Children and adolescents
Send back up throat culture (treat later, if positive)
Adults
None (no need for back up throat culture)
Send back up throat culture (treat later, if positive)
None (no need for back up throat culture)
Diagnostic testing or empiric treatment of asymptomatic household contacts of patients with acute streptococcal<unk>  is not routinely recommended
Pharyngitis
Streptococcal pharyngitis 
Laryngitis
Neisseria gonorrhoeae
Sinusitis
Diphtheria 
Croup
Bacterial Tracheitis