1. Male and Female, 3 years of age or older

2. Must currently be exhibiting one or more of the symptoms characteristic of pharyngitis to be eligible for inclusion in this study.

For example:

1. Acute onset of sore throat

2. Redness of the posterior pharyngeal wall

3. Difficulty/pain on swallowing

4. Fever, \> 37.8º C (100ºF) at presentation or within past 24 hours

5. Pharyngeal exudate

6. Tender cervical lymphadenopathy

7. Absence of cough, runny nose or other upper respiratory symptoms.\*

8. Other, symptoms specific to Strep A not listed above.

* Must include at least one additional symptom from a-f and cannot be the only criteria used to meet inclusion for enrollment in the study.

Strep A FIA Field Study, Sofia