COVID vs. Allergies vs. the Flu: How to Tell What You Have
Flu treatment tips for adults
COVID-19 & Other Respiratory Illnesses: How Are They Different? - Stamford Pediatric Associates
Feeling Sick? Comparing symptoms of Cold, Strep, Flu & COVID-19
Cold, Allergies, Flu, or Coronavirus?Know you are not alone.
Cold, Flu, or COVID-19? - Healthy You
Do You Know the Difference Between a Cold or the Flu?
Battling COVID-19 during cold and flu season
The Difference between COVID-19, the Flu, Allergies, RSV, and a Cold - Texarkana Emergency Center & Hospital
Do you have a cold, the flu or Covid-19? How to tell the difference
Flu Cedars-Sinai
U.S. Department of Health and Human Services - Is your chest discomfort a symptom of a cold, the flu, or COVID-19? If you're experiencing these symptoms, consult your doctor to see what
Common Coronavirus Symptoms Infographic
COVID-19, Flu, and Colds - Harvard Health