Coronavirus Disease 2019 (COVID-19) Differential Diagnosis

Last updated: 09 July 2024

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Differential Diagnosis

COVID-19 Symptoms Compared to Other Diseases and Conditions
Symptoms COVID-19  Flu  Common Cold  Dengue  Allergies 
Fever Common  Common  Rare  Common  Rare 
Dry cough  Common Less common  Less common  Rare  Less common 
Tiredness  Common  Common  Less common  Common  Less common  
Shortness of breath  Less common   Less common   Rare  Less common   Less common  
Aches and pains  Less common   Common  Rare  Common  Rare 
Headache  Less common   Common  Rare  Common  Less common 
Sore throat  Less common   Less common 
Common  Rare  Rare 
Diarrhea Less common   Less common   Rare  Rare  Rare
Stuffy nose  Rare  Less common 
Common Rare  Common 
Runny nose  Rare  Common  Common  Less common  Common 
Sneezing  Rare  Rare  Common  Rare  Common 

Reference: Pan American Health Organization and World Health Organization. Infographic: COVID-19 compared to other diseases and conditions. PAHO. https://www.paho.org/. 05 Jun 2020.