Microorganisms and Disease
Pseudomembraneous colitis is

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

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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 monkey Rotavirus strains to cause serious illness (diarrhea) in human beings
The ability of the Rotavirus to be transmitted faster

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