There are several diseases caused by viruses. Infectious diseases are the ones that are spread from one person to another. The infectious diseases caused by viruses are chickenpox, Ebola, influenza, etc.
What are infectious diseases?
Infectious diseases are caused by the invasion of pathogens in the body.
Pathogens are the organisms that are the major cause of disease. It causes some effects in the body as a result of a fight between the invading pathogen and the immune system of the body.
The infectious disease caused by a virus is chickenpox, ebola, and influenza.
Thus, the correct options are a, b and d.
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