Question:

A living microbe with reduced virulence that is used for vaccination is considered as

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Attenuated vaccines contain live microbes that have been weakened but still capable of triggering an immune response.
Updated On: May 6, 2025
  • A toxoid
  • Dormant
  • Virulent
  • Attenuated
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The Correct Option is D

Solution and Explanation

An attenuated microbe is a microorganism whose virulence (ability to cause disease) has been reduced. This makes it safe for use in vaccines, as it can stimulate an immune response without causing disease.
Conclusion: Attenuated microbes are commonly used in vaccines to provide immunity without causing harm.
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