How are fungi harmful to us?

Explanation

### Step-by-Step Text Solution:

1. **Introduction to Fungi**:
- Fungi are a group of organisms that can be both beneficial and harmful to humans. While some fungi, like yeast and Penicillium, are useful, many fungi can cause harm.

2. **Infections**:
- One of the primary harmful effects of fungi is the infections they can cause in humans. These infections can range from mild to severe.

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