Name a vaccine prepared from the following: Live, attenuated organisms

Explanation

To answer the question "Name a vaccine prepared from live, attenuated organisms," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Live, Attenuated Organisms**:
- Live, attenuated organisms are those that have been weakened so they cannot cause disease but can still provoke an immune response.

2. **Identifying Examples of Vaccines**:
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