MCAT Question of the Day
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    Q:

    		 Norovirus is a cause of viral gastroenteritis. The immune response generated by norovirus is often temporary, suggesting which of the following statements?
    		 

    A

    		 An individual is susceptible to infection by the same strain of norovirus many times, though not in immediate succession.

    B

    		 An individual is susceptible to infection by the same strain of norovirus many times, even in immediate succession.

    C

    		 An individual is susceptible to infection by a particular strain of norovirus only once

    D

    		 An individual is susceptible to any norovirus infection only once



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