Microorganisms and Disease
Pseudomembraneous colitis is

caused by a spore-forming bacterium
caused by a gram-positive bacterium
precipitated by the use of certain antibiotics
All of these

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

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