Gram positive:

• Group A,B,C,G Streptococci

• S. pneumoniae

• Viridans Streptococci

• MSSA

Gram negative:

• Most Enterobacteriaceae

• H. influenzae

• M catarrhalis

• Kingella spp.

• N. gonorrhoeae

• N. meningitidis

• Pasteurella spp.

• Borrelia sp.

Anaerobes:

• C. acnes

• Clostridium (not C. difficile)

• Peptostreptococci