Consumer Health: What's the difference between bacterial and viral infections?

Many illnesses, including pneumonia, meningitis and diarrhea, can be caused by either bacteria or viruses. In some cases, it may be difficult to determine which is causing your symptoms. Bacteria are one-celled organisms that can be seen only with a microscope. Not all bacteria are harmful, and some bacteria that live in your body are helpful. However, many bacteria [...]
Source: News from Mayo Clinic - Category: Databases & Libraries Source Type: news