Microbial Etiology of Acute Pharyngitis - IDSA Bacterial • Group A streptococcus - Pharyngotonsillitis, scarlet fever • Group C and group G streptococcus - Pharyngotonsillitis • Arcanobacterium haemolyticum - Scarlatiniform rash, pharyngitis • Neisseria gonorrhoeae - Tonsillopharyngitis • Corynebacterium diphtheriae - Diphtheria • Mixed anaerobes - Vincent’s angina • Fusobacterium necrophorum - Lemierre’s syndrome, peritonsillar abscess • Francisella tularensis - Tularemia (oropharyngeal) • Yersinia pestis - Plague • Yersinia enterocolitica - Enterocolitis, pharyngitis Viral • Adenovirus - Pharyngoconjunctival fever • Herpes simplex virus 1 and 2 - Gingivostomatitis • Coxsackievirus - Herpangina • Rhinovirus - Common cold • Coronavirus - Common cold • Influenza A and B - Influenza • Parainfluenza - Cold, croup • EBV - Infectious mononucleosis • Cytomegalovirus - CMV mononucleosis • HIV - Primary acute HIV Infection Mycoplasma • Mycoplasma pneumoniae - Pneumonitis, bronchitis Chlamydia • Chlamydophila pneumoniae - Bronchitis, pneumonia • Chlamydophila psittaci - Psittacosis #Pharyngitis #IDSA #diagnosis #differential #causes #bacteria #microbiology
