Which of the following gram-?negative rods have a mucoid polysaccharide capsule?

Which of the following gram-?negative rods have a mucoid polysaccharide capsule?

Which of the following gram-?negative rods have a mucoid polysaccharide capsule?



A. H. influenza
B. L. bordetella
C. L. pneumonia
D. P. aeruginosa


Answer: D