Sudden onset is consistent with GAS pharyngitis; pharyngitis after several days of coughing or rhinorrhea is more consistent with a viral etiology Contact with others who have GAS or rheumatic fever with symptom
Pharyngitis is defined as an infection or irritation of the pharynx and/or tonsils. The etiology is usually infectious, with most cases being of viral origin.
Moreover, none of the several genes known to be involved in inflammation or in autoinflammatory disorders seem to be relevant, alone, to its etiology, suggesting that PFAPA results from oligogenic or complex inheritance of variants in multiple disease genes and/or non-genetic factors....
What is the etiology of bronchitis? What bacteria causes pneumonia? What is an acute infectious disease? What is acute bronchitis with unspecified organism? What is viral shedding in mono? What is acute bronchitis vs. bronchitis? What is bacterial lysis? What is a impetigo bacterial infection?