develop a key based on differential staining and culturing, morphology and the suite of biochemical tests available to identify bacteria.

A) Typical oral/respiratory tract pathogens and commensals -

Streptococcus pneumonia Yersina pestis
Haemophilus influenza	Streptococcus viridans
Staphylococcus aureus	Bacillus antracis
Klebsiella pneumonia	Bordetella pertussis
Streptococcus pyogenes	Chlamydia pneumonia
Psuedomonas aeruginosa	Mycobacterium tuberculosis
Mycoplasma pneumoniae