Serratia
Genus of gram-negative [color test] rods [bar shaped] from the family of Enterobacteriaceae now being isolated with increased frequency in the laboratory. Most clinical isolates are hospital-acquired.

S. marcescens - Widely distributed in nature in soil and water. Formerly thought to be harmless; red-pigmented strains were once used as aerosols to study settling and drifting of bacteria on air currents. May, however, produce serious pulmonary infection, empyema, septicemia, endocarditis, urinary tract infection, menengitis, postoperative wound infections, chronic osteomylitis, sinusitius, peritonitis, arthritis, otitis media, otitis externa, eye infection, balanitis, omphalitis, chronic skin granulomas, and allergic reactions (with Shwartzman phenomenon) and may be secondary invader of old abscesses. May cause hospital epidemics.

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Did that... and found this. Almost identical to what I typed above...
http://www.sunysccc.edu/academic/mst/microbes/23smarc.htm

This is where I found the : germ :