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What is the process of lowering the virulence of an originally dangerous microbial strain?

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Question

What is the process of lowering the virulence of an originally dangerous microbial strain?

Options

  • Invasiveness

  • Susceptibility

  • Attenuation

  • Infectivity

MCQ
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Solution

Attenuation lowers the virulence of an originally dangerous microbial strain. Such weakened strains are often used in vaccines.

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