Viral affliction is a term used to describe illnesses caused by viruses, such as the FLU. The FLU, which is a three-letter word, is one of the most common viral afflictions. It is highly contagious and can cause symptoms such as fever, chills, body aches, and fatigue. It is important to take precautions to prevent the spread of the FLU, such as washing hands frequently and avoiding contact with people who are sick.