Microorganisms and Disease
Both Mycobacterium tuberculosis and Streptococcus pneumoniae

are acquired by inhalation
have polysaccharide capsules
stay in the lung and rarely, if ever, enter the bloodstream
have cell walls that contain a high content of mycolic acids

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Microorganisms and Disease
Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine?

The possession of a segmented RNA genome
The ability of the Rotavirus to be transmitted faster
The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings
A limited number of capsule types

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Microorganisms and Disease
What is common in catheters and ventilators?

They bypass important defenses of the body
Bacteria responsible for associated infections are usually susceptible to antibiotics
They predispose patients to viral rather than bacterial infections
They are used primarily in neonatal intensive care units

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