The term 'Shivering State' is often used to describe a state of illness caused by AGUE, which is a four-letter word. AGUE is a feverish condition that is usually accompanied by chills and shivering. It is caused by a variety of infectious diseases, such as malaria, typhoid, and yellow fever. Symptoms can include headaches, fatigue, and muscle aches. Treatment typically involves rest and medications to reduce fever and inflammation.