Performance of Ellume·Lab Group A Strep Test Versus Culture for the Rapid Detection of Group A Streptococcus in Patients With Acute Pharyngitis.

Inclusion Criteria: * Male and female participants aged 3 years of age or older * Must currently be presenting with symptoms characteristic of pharyngitis, possibly Group A Strep, including: * Acute onset of sore throat; * Fever ≥ 37.8° C (100° F) at presentation or history or parent/guardian-reported history of fever ≥ 37.8° C or feeling feverish within 24 hours of presentation and; * At least one of the following: * Red and swollen/inflamed tonsils; * Pharyngeal or tonsillar exudate; o Cervical lymphadenopathy * ≤ 5 days from onset of signs and symptoms of pharyngitis * Parent/legal guardian of Participants \< 18 years of age capable and willing to give informed consent * Participants ≥18 years of age capable and willing to give informed consent Exclusion Criteria: * Participants \< 3 years of age * Participants undergoing treatment with antibiotics, or those who have undergone treatment with antibiotics for current episode of pharyngitis * Participants who have pharyngitis with clinical features that suggest a viral etiology such as, cough, runny nose, upper respiratory symptoms, and/or oral ulcers * Currently enrolled in another clinical trial or used any investigational device within 30 days preceding informed consent * Participants 18 years of age or older unable to understand English and consent to participation * Parent/legal guardian of Participants \< 18 years of age unable to understand English and consent to participation of child