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Summary of Infectious disease

Infectious diseases are disorders caused by organisms - like bacteria, viruses, fungi or parasites. Many organisms sleep in and on our bodies. They're normally harmless or perhaps helpful. But under certain conditions, some organisms may cause disease.

Some infectious diseases is passed from person to person. Some are transmitted by insects or other animals. And you will get others by consuming contaminated food or water or being exposed to organisms within the environment.

Signs and symptoms vary looking on the organism causing the infection, but often include fever and fatigue. Mild infections may answer rest and residential remedies, while some life-threatening infections might have hospitalization.

Many infectious diseases, like measles and chickenpox, are often prevented by vaccines. Frequent and thorough hand-washing also helps protect you from most infectious diseases.