Infectious diseases

infectious_diseases
Image taken from WHO

 

Infectious diseases are the diseases or disorders caused by some organisms. Organisms such as bacteria, viruses, fungi or parasite when invades the body one suffers from such diseases. Some infectious diseases transfer from person to person by directly contact; some with the help of vectors (could be insects or animals) and some even with help of vehicles such as food, water etc.

There are many infectious diseases like measles, chickenpox, that can be prevented by vaccinations.

Some important infectious diseases are discussed below:

There are many more other infectious diseases but these are the main diseases that affects the whole world.

 

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