What Does A Fever Really Mean? A fever is one of the body’s most common responses to illness. It typically occurs when the immune system is fighting off infections such as viruses or bacteria. While it can feel alarming, a fever on its own is not an illness, it is a symptom that the body is actively working to heal. Normal body temperature can vary slightly, but a fever is generally recognized when the body temperature rises above the typical range. In many cases, fevers resolve on their own...



































































