Uh, they don't calculate the mortality rate of the virus by guessing how many people would have died in 1900's care. The mortality rate is that high because tha

Uh, they don't calculate the mortality rate of the virus by guessing how many people would have died in 1900's care. The mortality rate is that high because that's the percentage of people currently dying. Mortality rates are easy to compare - they are numbers that take healthcare and disease intensity into account because they are statistics from observation. If anything, the numbers suggest that had the covid-19 struck in 1918, the mortality rate would have been higher.