Figure 2From: Non-typeable Haemophilus influenzae and Streptococcus pneumoniaeas primary causes of acute otitis media in colombian children: a prospective study Etiology of bacteria identified from samples cultured from middle ear fluid. Number of positive bacterial episodes is represented in the stacked column bar. The bar for H. influenzae also includes serotypes of H. influenzae positive episodes. * H. influenzae type b ** H. influenzae type f Back to article page