Common cold spreads much faster than AIDS.

Explanation

### Step-by-Step Solution:

1. **Identify the Viruses**:
- The common cold is primarily caused by the Rhinovirus.
- AIDS is caused by the Human Immunodeficiency Virus (HIV).

2. **Understand the Nature of Transmission**:
- The common cold is classified as a communicable disease, meaning it can easily spread from one person to another.
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