- Fastidious bacteria that can cause infective endocarditis (3% of native valve infections)
- Normal human oral flora
Species
- Haemophilus spp.
- H. parainfluenzae
- H. aphrophilus
- H. paraphrophilus
- Aggregatibacter actinomycetemcomitans andaphrophilus
- Cardiobacterium hominis
- Eikenella corrodens
- Kingella spp.
