[11th_VA]

The biggest difference is one is an Upper Respiratory disease, the other is a lower respiratory disease - which makes one more lethal than the other.

[catnipman]

“The biggest difference is one is an Upper Respiratory disease, the other is a lower respiratory disease - which makes one more lethal than the other.”

wrong again:

https://medlineplus.gov/coronavirusinfections.html

[TigersEye]

BS. Both the flu and corona virus cause an upper respiratory infection. Both can lead to a lower respiratory infection which is nothing more than a synonym for pneumonia.