What term describes the dilution or weakening of a microorganism's virulence?

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Multiple Choice

What term describes the dilution or weakening of a microorganism's virulence?

Explanation:
Attenuation describes the reduction in a microorganism’s virulence, usually achieved by growing it under conditions or through passages that select for less harmful traits. The result is a weakened organism that can still provoke an immune response, which is the basis for live attenuated vaccines. This is different from a vaccine itself, which is the product used to immunize; inoculation, which is the act of introducing a microorganism into a person; and virulence, which is the measure of how harmful a pathogen can be.

Attenuation describes the reduction in a microorganism’s virulence, usually achieved by growing it under conditions or through passages that select for less harmful traits. The result is a weakened organism that can still provoke an immune response, which is the basis for live attenuated vaccines. This is different from a vaccine itself, which is the product used to immunize; inoculation, which is the act of introducing a microorganism into a person; and virulence, which is the measure of how harmful a pathogen can be.

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