For example, the common Flu is around 1.3, the Coronavirus (COVID-19) based on early data is 1.4 to 3.9, which is likely inflated due to unreported mild cases. The common Measles is 12-18.
|Values of R0 of well-known infectious diseases|
|COVID-19 (early data)||Airborne droplet||1.4–3.9|
Second, is the deaths per 100,000 people. Because the number of deaths is generally a small, fraction of a percentage, they are measured on a 100,000 scale.
The CDC estimates that so far this season there have been at least 36 million flu illnesses, 370,000 hospitalizations and 22,000 deaths from flu: but possibly as many as 55,000, with a mid point of 38,500. How does this compare to to the COVID-19?