How come people get chills
Rigors or chills usually come with high grade fever which is usually due to an infection. The febrile person feels cold and as a protective mechanism, he starts to have rigors to increase body temperature. He also has goosebumps for the same reason.
Most people have a fever and are getting sick!
Usually people get the chills if something creeps them out or they get a sudden cold feeling.
Your body way of telling u are sick