In addition to chills, high white blood cell counts may cause body aches, fever, and headache. Some people develop chills and ...

Learn the key differences between COVID-19 and the flu, including symptoms, causes, vaccines, and prevention methods for ...

This increase in body temperature stimulates the ... COVID is a possible diagnosis if you have a fever, chills, dry cough, and muscle aches. You need testing to confirm if you have COVID.

Early Lyme disease symptoms include fever, chills, headache, fatigue, muscle and joint aches, and swollen lymph nodes, sometimes accompanied by a "bullseye" rash. Ticks thrive in shady areas and are ...