Fever
A fever is a temporary increase in your body temperature, often due to an illness. Having a fever is a sign that something out of the ordinary is going on in your body.
Chills
Chills are your body’s way of raising its core temperature. Cold temperatures, viruses, infections and other illnesses can bring on chills. When you shiver, your muscles relax and contract. This involuntary movement warms your body
Cough
A cough is your body's way of responding when something irritates your throat or airways. An irritant stimulates nerves that send a message to your brain. The brain then tells muscles in your chest and abdomen to push air out of your lungs to force out the irritant.
Shortness Of Breath
Shortness of breath that comes on suddenly (called acute) has a limited number of causes, including: Anaphylaxis (a severe allergic reaction) Asthma. Carbon monoxide poisoning. Cardiac tamponade (excess fluid around the heart) COPD (chronic obstructive pulmonary disease) exacerbation — worsening of symptoms. Coronavirus disease 2019 (COVID-19)
Fatigue
Most of the time fatigue can be traced to one or more of your habits or routines, particularly lack of exercise. It's also commonly related to depression. On occasion, fatigue is a symptom of other underlying conditions that require medical treatment
Sour Throat
A sore throat is pain, scratchiness or irritation of the throat that often worsens when you swallow. The most common cause of a sore throat (pharyngitis) is a viral infection, such as a cold or the flu. A sore throat caused by a virus resolves on its own