Name some harmful bacteria and the harms due to them.

Explanation

### Step-by-Step Solution:

1. **Understanding Harmful Bacteria**:
- Harmful bacteria are known as pathogenic bacteria. These bacteria can cause diseases in humans and other organisms.

2. **Examples of Harmful Bacteria**:
- **Vibrio cholera**: This bacterium is responsible for cholera, a severe diarrheal disease that can lead to dehydration and even death if untreated.
- **Mycobacterium tuberculosis**: This bacterium causes tuberculosis (TB), a serious infectious disease that primarily affects the lungs but can also affect other parts of the body.
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