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The original item was published from 11/22/2022 11:15:52 AM to 12/25/2022 12:00:06 AM.

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Posted on: November 22, 2022

[ARCHIVED] Common Symptoms of RSV, COVID-19, and Flu


Common Symptoms of RSV, COVID-19, and Flu and How to tell the Difference

RSV, COVID-19, and the Flu are highly contagious viruses that display varying symptoms at different times. They each present symptoms within a distinct onset period. Some display quicker than others. If you are experiencing symptoms, visit a healthcare provider to receive a confirmed diagnosis and treatment plan.

RSV: a respiratory virus that impacts lungs and breathing passages

People infected with RSV typically show mild like cold symptoms within 4 to 6 days after getting infected. Symptoms of RSV infection usually include:

  • Runny nose
  • Decrease in appetite
  • Coughing
  • Sneezing
  • Fever
  • Wheezing


These symptoms usually appear in stages and not all at once. In very young infants with RSV, the only symptoms may be irritability, decreased activity, and breathing difficulties.

COVID-19: infectious disease caused by SARS-CoV-2 virus

Most people experience mild to moderate respiratory illnesses. The symptom onset for COVID-19 can from 2-14 days following exposure and can include:

  • Loss or change in taste and smell
  • Cough
  • Shortness of breath
  • Fatigue
  • Headache
  • Sore Throat
  • Body aches
  • Congestion/ runny nose
  • Nausea/ vomiting
  • Diarrhea

Flu: contagious respiratory illness caused by influenza virus that infects the nose, throat, potentially lungs. Symptoms usually appear suddenly and can include:

  • Fever/ chills
  • cough
  • sore throat
  • runny or stuffy nose
  • muscle or body aches
  • headaches
  • fatigue 
  • vomiting and diarrhea

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