It can be hard to tell the difference between symptoms of the flu and other respiratory illnesses like COVID-19. Your health care provider can diagnose the flu based on your: symptoms; laboratory ...

Flu symptoms and their severity can vary with age and health status. The main symptoms are as follows: sudden fever: between 38 °C and 40 °C (between 100.4 °F and 104 °F) for children, between 39 °C ...

Flu symptoms can vary from person to person, but most people with influenza will experience some degree of fever, chills, headaches, body aches, congestion, coughing, and fatigue. While the symptoms ...

You’re not imagining it, flu cases are on the rise this season, as vaccination levels decline and COVID-style social distancing falls by the wayside.

Flu Symptoms: Day 0: Within 4 days of being infected, you're contagious. The virus is still building up in your body so you won't show any symptoms yet. Day 1-2: All of a sudden, you feel awful.

Flu symptoms and treatment are a high priority in fall and winter when the highly contagious influenza virus quickly spreads. However, you can significantly lower your risk and prevent illness by ...

A more recent flu pandemic occurred in 2009 to 2010, when a new form of the influenza strain H1N1 appeared. This virus is also called "swine flu" because the virus is similar to one found in pigs ...

Cold and flu symptoms may overlap, but the latter tend to be more severe. There is also a greater risk of complications with influenza, such as pneumonia, according to the CDC.