Symptoms of the Influenza Virus
The influenza virus, also known as the flu, is a highly contagious respiratory virus that can cause severe illness and even death. Symptoms of the flu can include fever, chills, body aches, coughing, sore throat, runny nose, headache, and fatigue. In some cases, the flu can also lead to more serious complications, such as pneumonia, bronchitis, and even death.
Fever: One of the most common symptoms of the flu is a fever, which is defined as a body temperature greater than 100.5 degrees Fahrenheit (37.8 degrees Celsius). A fever is your body's way of fighting off the virus and can last from a few days to a week.
Chills: Chills are another common symptom of the flu. They can occur along with a fever and usually come in waves, alternating between feeling cold and feeling hot.
Body Aches: Body aches, also known as myalgia, are a common symptom of the flu. They are often accompanied by a fever and can range from mild to severe.
Coughing: Coughing is a common symptom of the flu and can range from mild to severe. It can be dry or productive, meaning it produces mucus.
Sore Throat: A sore throat is a common symptom of the flu and can be accompanied by a fever, coughing, and other symptoms.
Runny Nose: Runny nose, also known as rhinorrhea, is a common symptom of the flu and can range from mild to severe.
Headache: Headache is another common symptom of the flu and can range from mild to severe.
Fatigue: Fatigue is a common symptom of the flu and can range from mild to severe. It can persist even after the other symptoms of the flu have gone away.