Mortality rates change, they are also dependent environmental factors including population genetics, diet, prevalence of pre-existing conditions and the quality

Mortality rates change, they are also dependent environmental factors including population genetics, diet, prevalence of pre-existing conditions and the quality and availability of medical care. The statistics around case mortality rate and overall mortality rate also changes as new and more reliable data is gathered and analyzed, the WHO estimates was quite likely “correct” for the time frame and data they had available. The fact that Sweden published a data set that contradicts that doesn’t make their assumption false, or that “they don’t know what they are talking about”.