Bacteriology Streptococcus pneumoniae(48%0) Haemophilus influenzae (31%) Moraxella catarrhalis(20%) P-hemolytic streptococcus (decreased following widespread immunization program 烫应科 Pseudomonas aeruginosa (uncommon cause of AOM)Bacteriology ◼ Streptococcus pneumoniae (48%) ◼ Haemophilus influenzae (31%) ◼ Moraxella catarrhalis (20%) ◼ P-hemolytic streptococcus (decreased following widespread immunization program) ◼ Pseudomonas aeruginosa (uncommon cause of AOM)