But on the Diamond Princess cruise ship, mild cases weren't missed, because every passenger and crew member was tested a month ago. "The 3.4% death rate the World Health Organization has reported... there is criticism from nearly all scientists that's too high, because of the under-reporting of cases." The seven deaths, out of the 697 who tested positive, make for a death rate of 1% on the ship. The researchers used the ship's data to estimate a death rate among those aged over 70 of 9 percent -- a very high death rate. However, even a 0.5 percent death rate would make it five to 10 times deadlier than the flu this year.
Source: Fox News March 13, 2020 19:18 UTC