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Microorganisms and Disease

Q1:

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

A The possession of a segmented RNA genome

B A limited number of capsule types

C The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings

D The ability of the Rotavirus to be transmitted faster

ANS:A - The possession of a segmented RNA genome

Rotavirus is a genus of double-stranded RNA viruses in the family Reoviridae. Rotaviruses are the most common cause of diarrhoeal disease among infants and young children. Nearly every child in the world is infected with a rotavirus at least once by the age of five. Immunity develops with each infection, so subsequent infections are less severe; adults are rarely affected.



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