What is a common viral disease

how about the common cold?

or, more recently, Covid-19 ...

A common viral disease is the flu, which is short for influenza. To determine common viral diseases, you can refer to medical sources such as the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC). These organizations regularly monitor and report on common viral illnesses. Additionally, you can consult reputable medical websites, textbooks, or consult with healthcare professionals for accurate information on common diseases caused by viral infections.

A common viral disease is the common cold.