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Microbiology

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Gram Negative Coccobacilli

Question
22 out of 58
 

Which of the following is true of Haemophilus influenzae?



A Most invasive infections occur in infants during the neonatal period

B Invasive infections are most commonly associated with encapsulated strains

C Most human infections are acquired from domestic pets

D The organism can be readily cultured on sheep blood agar in an environment of elevated CO2

Ans. B Invasive infections are most commonly associated with encapsulated strains.

Capsulated strains especially serotype b are responsible for invasive infections like meningitis and pneumonia.

In the first 2 months, neonates are protected due to circulating maternally acquired antibodies.

It grows poorly on blood agar as the V factor is not freely available on this medium.

Gram Negative Coccobacilli Flashcard List

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