Infectious diseases are illnesses caused by organisms like bacteria, viruses, fungus, or parasites. There are numerous creatures that live in and on our bodies. They are usually innocuous or even beneficial. However, some microbes can cause disease under particular conditions.
Some infectious diseases are contagious and can be spread from person to person. Some of them are spread by insects or other animals. You can get others by eating contaminated food or drinking polluted water, or by being exposed to organisms in the environment.
The signs and symptoms differ depending on the organism that is causing the illness, but they frequently include fever and exhaustion. Mild infections may respond to rest and home remedies, however severe infections may necessitate hospitalisation.
Vaccines help prevent several infectious diseases, including measles and chickenpox. Handwashing frequently and thoroughly also helps prevent you from the majority of infectious infections.
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