Inflammed tonsils/pharynx, which may be purulent and may develop abscesses; cervical lymphadenopathy, fever, stomach upset; sandpaper rash – Streptococcus pyogenes- Rash indicates presence of erythrogenic exotoxin A

White papules with red base on posterior palate and pharynx, fever – Coxsackie A

Throat looking like Strep with severe fatigue, lymphadenopathy, fever, fash; heterophile ⊕; Downey type II cells – Epstein-Barr virus

Low-grade fever with a 1-2 day gradual onset of membranous nasopharyngitis and/or obstructive laryngotracheitis; bull neck from lymphadenopathy; elevated BUN; abnormal ECG; little change in WBC (toxin). Exudate bleeds profusely when dislodged – Corynebacterium diphtheriae