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