Chills are caused by your immune system telling your brain to raise your body temperature, which helps fight germ growth.
Fever and Chills When Sick: What Are Chills?
Why Do We Get Chills With Fever?
Contagious Periods for Colds, Flu, COVID-19 and RSV: Factors and Precautions
Am I Too Sick to Work? How Long Is the Cold or Flu Contagious?
Shivering with Fever: Causes, Treatment, Seeking help - EuroSchool
How to differentiate between Viral fever and Dengue fever?
Cold Sweats: 10 Causes, Hot to Stop Them, When to Worry
Episode 21: Why do we feel cold when we have a fever? – The Curious Clinicians
Flu Restrictions
Sick with COVID-19? Watch for Fever Shakes, Called Rigors, University of Utah Health