A contagious disease is an infectious disease that can be spread rapidly in several ways, including direct contact, indirect contact, and droplet contact. These diseases are caused by organisms such as parasites, bacteria, fungi, and viruses.
A contagious disease is an infectious disease that can be spread rapidly in several ways, including direct contact, indirect contact, and droplet contact. These diseases are caused by organisms such as parasites, bacteria, fungi, and viruses.
Source: Wikipedia "Contagious disease" · CC BY-SA 4.0
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