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common cold vs influenza vs Covid-19

sign/symptom cold influenza Covid-19 incubation 1-3 days 1-4 days 2-14 days onset* gradual abrupt gradual fever rare lasts 3-4 days common myalgia slight often severe sometimes cough hacking may be severe common dyspnea mild sometimes common runny nose common sometimes sometines stuffy nose common sometimes sometimes sore throat common sometimes seometimes diarrhea rare sometimes seometimes headache rare common sometimes anosmia sometimes sometimes sometimes * symptom onset Laboratory: - influenza virus RNA - SARS CoV2 RNA

General

differential diagnosis

References

  1. Centers for Disease Control & Prevention (CDC) Flu Symptoms & Complications https://www.cdc.gov/flu/symptoms/symptoms.htm
  2. Kandola A, White C New coronavirus vs. flu Medical News Today. May 19, 2020 https://www.medicalnewstoday.com/articles/coronavirus-vs-flu