Table 2. Microbial Etiology of Acute Pharyngitis
Organisms
Clinical Syndrome
Bacterial
Group A streptococcus
Pharyngotonsillitis, scarlet fever
Group C + G streptococcus
Pharyngotonsillitis
Arcanobacterium haemolyticum
Scarletiniform rash, Pharyngitis
Neisseria gonorrhoeae
Tonsillopharyngitis
Corynebacterium diphtheriae
Diphtheria
Mixed anaerobes
Vincents��� 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
