Micro URTI

Question 1

Pharyngitis Epidemiology

Answer 1

○ Late fall, winter, early spring

○ 5 to 15 years

Question 2

Pharyngitis Etiology

Answer 2

■ Viruses (i.e.
respiratory viruses)
are the most common
cause
■ Streptococcus
pyogenes is the most
important bacterial
cause

Question 3

Pharyngitis

Bacterial causes include:

Answer 3

Bacterial causes include:
○ Group A streptococcus *
○ Corynebacterium
diphtheria
○ Fusobacterium
necrophorum
(Anaerobic bacteria,
cause of Lemierre's
syndrome)
○ Neisseria gonorrhoeae