Name a vaccine prepared from the following: Killed organisms

Explanation

### Step-by-Step Solution:

1. **Understanding Vaccines**: Vaccines are biological preparations that provide immunity to a particular infectious disease. They work by stimulating the body's immune system to recognize and fight pathogens.

2. **Types of Vaccines**: Vaccines can be made from live attenuated organisms, inactivated (killed) organisms, or subunit components of the pathogen.

3. **Focus on Killed Organisms**: The question specifically asks for vaccines prepared from killed organisms. These are organisms that have been killed or inactivated so that they cannot cause disease.

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