Flu Symptoms
Influenza (flu) can cause mild to severe illness, and at times can lead to death. Flu is different from a cold. Flu usually comes on suddenly. People who have flu often feel some or all of these symptoms:
Fever or feeling feverish/chills
Cough
Sore throat
Runny or stuffy nose
Muscle or body aches
Headaches
Fatigue (tiredness)
Loss of taste or smell
Some people may have vomiting and diarrhea, though this is more common in children than adults.
It’s important to note that not everyone with flu will have a fever.
COVID Symptoms
Symptoms may appear 2-14 days after exposure to the virus. People with these symptoms may have COVID-19:
Fever or chills
Cough
Sore throat
Congestion or runny nose
Shortness of breath or difficulty breathing
Muscle or body aches
Headache
Fatigue
New loss of taste or smell
Nausea or vomiting
Diarrhea
This list does not include all possible symptoms. CDC will continue to update this list as we learn more about COVID-19.
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