Viral diseases are illnesses caused by pathogenic viruses that harm the body. The common cold is the group of diseases that constitutes many similar viral infections. Thus, option C is correct.
Viral infections are diseases caused and transmitted by the genetic material of the virus present in the protein capsules. They are communicable diseases that are passed on through contact with an infected person, contaminated surfaces, physical contact, animals, etc.
Hepatitis, pneumonia, influenza, common cold, HIV/AIDS, etc., are some of the viral infections. The common cold is a viral disease that comprises many infections and is a common symptom in many viral infected illnesses.
Therefore, the common cold is a viral disease that constitutes many infections.
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