Gram Positive:
- Staphylococci including MRSA
- S. pneumoniae
Gram Negative:
- M. catarrhalis
- H. influenzae
- Brucella
Anaerobic:
- Actinomyces
- Prevotella
- Non-difficile Clostridia
- Peptostreptococci
Other:
- Atypicals including Mycoplasma, Chlamydophila
- Rickettsia
- Borrelia
- Some Mycobacteria