Diamond Princess cruise ship shows that it’s not even close to Spanish flu in mortality. Because the symptoms are mild for 80% of people, the reported cases are severely underreported. Only when a whole populace is tested do we
see the true infection rate.
OK, you've mentioned two different measurements: infection rate (I'm guessing you're referring to R0) and mortality (do you mean mortality rate or case fatality rate, because I was referring to the latter one).
The cruise ship had a strict room-based quarantine, so that would not infect the R0 of a general community-based outbreak, unless we institute similar measures (confining people to their houses, which is likely not feasible).
If you're referring to case fatality rate, I'm really interested in that data. Do you have a link? The case fatality rate from the cruise ship is a very small sample, and a very specific population, so it's susceptible to all kinds of bias. It's unlikely to be an accurate reflection of case fatality rate in the general population. Still, I'm interested in those numbers. I've not been able to find them online. Did they test all the people on the cruise ship?
Diamond Princess cruise ship shows nothing yet. Most those who got sick are still sick. You cannot do the mortality math until people are either dead or cured.
