Otitis Media is Caused Most Often By

Question

Otitis media is caused most often by:
A)Streptococcus pneumoniae
B)Staphylococcus aureus
C)Haemophilus influenzae
D)Two of these choices

Accepted Answer

Streptococcus pneumoniae and Haemophilus influenzae are the two most common bacteria that cause otitis media. Staphylococcus aureus can also cause otitis media, but not as frequently as the other two bacteria. Therefore, choice D is the best answer.