Is it the flu, COVID-19, or allergies? Here's the difference.

There are a number of symptoms that point to one illness or the other. But some symptoms overlap into adjacent illnesses that make them less distinguishable.

We have all played that guessing game of what illness we may have or what illnesses our children have. Is it flu? Is it COVID-19? Is it allergies? WFAA connected with Dr. Bryan Thibodeau of Medical City Dallas who lays out the most notable difference between the illnesses.

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