| Pronunciation | in-FEK-shun |
| Definition | Invasion and multiplication of germs in the body. An infection can occur in any part of the body and can spread throughout the body. The germs may be bacteria, viruses, yeast, or fungi. An infection can cause a fever and other problems, depending on where it occurs. When the body’s natural defense system is strong, it can often fight off germs and prevent infection. |
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