Pharyngitis, Acute

PATHOGENS

• Bacteria:
  
  • Streptococcus pyogenes (Group A Streptococcus, the predominant bacterial pathogen)
  • Mycoplasma pneumoniae
  • Arcanobacterium haemolyticum (can mimic S. pyogenes, most often in college-aged students, also accompanied by diffuse macular rash)
  • Bordetella pertussis
  • Streptococci: other including Group C, Group F, Group G
  • Fusobacterium necrophorum
  • Corynebacterium diphtheriae (rare)
  • Francisella tularensis (rare)
  • Neisseria gonorrhoeae
  • Yersinia pestis (rare)
  • Chlamydia pneumoniae
• Viruses:
  
  • Coronavirus
  • Enterovirus, e.g., Coxsackievirus
  • Influenza
  • Rhinovirus
  • Parainfluenza virus
  • Respiratory syncytial virus (RSV)
  • Epstein-Barr virus (primary EBV infection aka infectious mononucleosis)
  • HIV (acute)
  • Adenovirus