Chills and Shivering
People experiences chill and even shivering when their body temperature is high. The body tries to raise the temperature to address the cause of fever. Due to the high temperature, the person feels very cold even in the summer season.
Felling cold, taking extra covers of layers, and a hot body is very common to be observed in a person with a fever. The body also shivers, which is a reaction to chills and muscle contraction and is mostly observed in the flu.