In addition to respiratory infections, Haemophilus influenzae type B can cause infections in which areas?

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Multiple Choice

In addition to respiratory infections, Haemophilus influenzae type B can cause infections in which areas?

Haemophilus influenzae type B can cause invasive disease beyond the lungs. After colonization, it may enter the bloodstream (bacteremia) and travel to other body sites. It is a known cause of meningitis (involving the head/brain) and can seed the bones and joints, leading to osteomyelitis and septic arthritis. So, in addition to respiratory infections, Hib can infect blood, bones, joints, and meninges, which is why that option best captures the typical invasive areas. Vaccination has greatly reduced these invasive Hib diseases.

Haemophilus influenzae type B can cause invasive disease beyond the lungs. After colonization, it may enter the bloodstream (bacteremia) and travel to other body sites. It is a known cause of meningitis (involving the head/brain) and can seed the bones and joints, leading to osteomyelitis and septic arthritis. So, in addition to respiratory infections, Hib can infect blood, bones, joints, and meninges, which is why that option best captures the typical invasive areas. Vaccination has greatly reduced these invasive Hib diseases.

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