Microorganisms and Disease
The "A" subunit of diphtheria toxin

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

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

A limited number of capsule types
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

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