Flu, COVID, and Cold Symptom Comparison Factsheet

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Flu, COVID, and Cold Symptom Comparison Factsheet SYMPTOMS OF COVID-19, INFLUENZA (FLU), AND THE COMMON COLD COVID-19, influenza (flu), and the common cold are all contagious respiratory illnesses, but they are caused by different viruses. Because some of the symptoms of COVID-19, flu, and the common cold are similar, it may be hard to tell the difference between them based on symptoms alone, and testing may be needed to help confirm a diagnosis. COVID-19, flu, and colds share many characteristics, but there are some key differences between the three of them. Current evidence shows that some people who are infected with COVID-19 may not have any symptoms. While more is learned every day, there is still a lot that is unknown about COVID-19 and the virus that causes it. This fact sheet compares symptoms of COVID-19, flu, and colds using the best available information as of September 2020. COVID-19 Flu Cold Varies, some people may Symptom onset Sudden Gradual not have any symptoms Fever or chills Common Common Rare Cough Common Common Common Shortness of breath Sometimes No No Fatigue (tiredness) Common Common Sometimes Sneezing No No Common Sore throat Sometimes Sometimes Common Runny or stuffy nose Rare Sometimes Common Muscle aches and Sometimes Common Common pains Headache Sometimes Common Rare Diarrhea Rare Sometimes No Nausea or vomiting Sometimes Sometimes No Change in/loss of Sometimes Rare Sometimes taste or smell (generally sudden) Sometimes Rash No No (COVID toes) Sources: Centers for Disease Control and Prevention, World Health Organization, and Johns Hopkins Medicine #3-118-0920 To learn more about flu and the vaccine to prevent it, talk to your healthcare provider or visit https://www.cdc.gov/flu/about/index.html..
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