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

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

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Microorganisms and Disease
What is common in catheters and ventilators?

They are used primarily in neonatal intensive care units
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

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Microorganisms and Disease
The "A" subunit of diphtheria toxin

forms cAMP that leads to fluid accumulation
binds host cell receptors found on heart cells
lysis macrophages with the release of cytokines
cause ADP ribosylation of a factor involved in protein synthesis

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