Strep A FIA Field Study, Sofia

Inclusion Criteria: 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. Exclusion Criteria: 1. Subjects currently under treatment with antibiotics are not to be included in this study. 2. At clinical sites requiring informed consent, unable to understand and consent to participation; for minors this includes parent or legal guardian.