Table 1.
Bacterial strains used in this study
| Strain | Description | Source or reference |
| 12 | Nontypeable Haemophilus influenzae, expresses HMW112 and HMW212 | Clinical isolate, middle ear fluid, AOM |
| 12hmw1hmw2 | 12 hmw1::kan hmw2::kan, expresses neither HMW112 nor HMW212 | (20) |
| 12hmw1 | 12 hmw1::kan, expresses only HMW212 | (20) |
| 12hmw2 | 12 hmw2::kan, expresses only HMW112 | (20) |
| 5 | Nontypeable Haemophilus influenzae, expresses HMW15 and HMW25 | Clinical isolate, middle ear fluid, AOM |
| 5hmw1hmw2 | 5 hmw1::kan hmw2::kan, expresses neither HMW15 nor HMW25 | (20) |
| 5hmw1 | 5 hmw1::kan, expresses only HMW25 | (20) |
| 5hmw2 | 5 hmw2::kan, expresses only HMW15 | (20) |
| 15 | Nontypeable Haemophilus influenzae, expresses HMW115 and HMW215 | Clinical isolate, middle ear fluid, AOM |
| NT127 | Nontypeable Haemophilus influenzae, expresses neither HMW1 or HMW2 and instead expresses the Hia adhesin | Clinical isolate, blood, meningitis (provided by Hao Shen, University of Pennsylvania) |