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How to know if you have COVID-19 or the flu before getting tested

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IDAHO FALLS, Idaho (KIFI/KIDK) - A lot of people want to know what is the difference between Influenza (Flu) and COVID-19 before having to get tested.

According to the CDC Influenza and COVID-19 are both contagious respiratory illnesses, but they are caused by different viruses.

COVID-19 is caused by infection with a new coronavirus (called SARS-CoV-2) and flu is caused by infection with influenza viruses.

The CDC explains the key difference is that COVID-19 appears to spread more easily than flu and causes more serious illnesses in some people. 

COVID-19 can also take longer before people show symptoms and people can be contagious for longer.

Today on Local News 8 at 5 p.m. and on KIDK Eyewitness News 3 at 5:30 p.m., we'll talk to a local infectious disease specialist who will explain to us in further detail how to tell the different symptoms of COVID-19 or the flu.

The CDC describes the similarities and difference between flu and COVID-19 below:

Similarities:

Both COVID-19 and flu can have varying degrees of signs and symptoms, ranging from no symptoms (asymptomatic) to severe symptoms. Common symptoms that COVID-19 and flu share include:

  • Fever or feeling feverish/chills
  • Cough
  • Shortness of breath or difficulty breathing
  • Fatigue (tiredness)
  • Sore throat
  • Runny or stuffy nose
  • Muscle pain or body aches
  • Headache
  • Some people may have vomiting and diarrhea, though this is more common in children than adults

Differences:

Flu

Flu viruses can cause mild to severe illness, including common signs and symptoms listed above.

Flu Symptoms

COVID-19

COVID-19 seems to cause more serious illnesses in some people. Other signs and symptoms of COVID-19, different from flu, may include change in or loss of taste or smell.

COVID-19 Symptoms

Article Topic Follows: Local News

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Ariel Schroeder

Ariel is a reporter for Local News 8 and KIDK Eyewitness News 3.

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