The confusion is understandable because both influenza and COVID-19 tends to settle in the lungs. However, this is not a flu virus. It's a "novel corona virus." Novel refers to it being new to humans (so we have no immunity) and corona virus refers to the type of virus - corona, not influenza.
It is much deadlier. More than 10 times deadlier. Like 20-30 X deadlier overall. 80X (or more) deadlier in seniors.
This is the point EXACTLY!