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

The ability of the Rotavirus to be transmitted faster
The possession of a segmented RNA genome
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
Which of the following is true regarding anthrax?

Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis
Anthrax is caused by a virus
Anthrax is highly contagious
Inhalation Anthrax requires infection with a large number of spores

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Microorganisms and Disease
Prontosil is

an effective antibacterial when used in in-vitro cultures
an effective antibacterial when used in animals
not used as an antibacterial agent
an effective antibacterial both in animals as well as in in-vitro cultures

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Microorganisms and Disease
The influenza vaccine is administered each year because

None of these
mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines
the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time
it is a polysaccharide vaccine that does not confer long-term protection

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