A lung specimen from a pneumonia patient contains Gram-negative bacilli. Laboratory test results on the bacteria show they are nonmotile coliforms (in the colon) with a capsule. Which pathogen is the likely cause of the pneumonia?

A lung specimen from a pneumonia patient contains Gram-negative bacilli. Laboratory test results on the bacteria show they are nonmotile coliforms (in the colon) with a capsule. Which pathogen is the likely cause of the pneumonia?



A. Hafnia
B. Serratia
C. Enterobacter
D. Klebsiella
E. Escherichia coli


Answer: D. Klebsiella


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