<unk>  (also known as "walking<unk> ") is a form of bacterial<unk>  caused by the bacterial species<unk> e. It is also known as PPLO, which is an acronym for Pleuro<unk>  Like Organism.
Mycoplasma pneumonia
Mycobacterium tuberculosis
Bordetella pertussis
Pneumocystis jirovecii
Bacillus anthracis
Rhodococcus equi
Legionella
Haemophilus influenzae