People often throw these terms around without distinction. Especially during this season. These diseases are quite distinct even though they do share or have overlapping symptoms.
The people from the Khan Academy, put together this great 12 minute video explaining the difference.
The Khan Academy stresses that this video is not intended to be a substitute for professional medical advice, diagnosis or treatment. The intent is for informational purposes only.
If you have any questions pertaining to your child's health, concerning the flu or otherwise, feel free to give us a call. We'd be happy offer our advice.