Infectious Diseases

Infectious diseases are syndromes triggered by organisms, such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They are normally harmless or even useful. But in some environments, certain organisms can cause infectious diseases. Some communicable infectious diseases can be passed from person to person. Some are transmitted by insects or other animals. And you can get more heavily contaminated food or water, or from exposure to organisms in the environment. Many infectious diseases cause complications. These can range from mild to severe. In some environments, complications can include wheezing, rash, or extreme fatigue. Mild complications usually go away as the infection clears. Mild infectious diseases may respond to rest and home remedies, while some serious infectious diseases may require hospitalization. Several infectious diseases, such as contagious diseases and chickenpox, are prevented by vaccines. Regular and thorough hand washing also helps protect you from most infectious diseases.

 

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