What diseases are seen in the nonencapsulated strains versus encapsulated type B H. influenzae?

What diseases are seen in the nonencapsulated strains versus encapsulated type B H. influenzae?



Answer: Nonencapsulated (nontypeable) strains cause local infections such as pneumonia, otitis media, and sinusitis. Encapsulated strains (usually type B) cause invasive infections such as meningitis, acute epiglottitis, septic arthritis, and sepsis.



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