The demonstratives presented by WHO, governments and universities, showing the number of confirmed cases and the number of deaths by Covid-19 should be maintained, but as secondary demonstratives.
The most important, which have not yet been carried out, are the demonstratives that make it possible to compare the number of deaths with the number of the population in each country.
Introduction
The comparison of the actual number of deaths with the number of confirmed cases, as has been done, should be taken as secondary, because the record of the number of "confirmed cases" is unreal, random, with great margin for uncertainty.
It happens that a large part of the world population that has been infected with Sars-Cov-2 has mild symptoms ─ that can be confused with a common flu ─ or does not even present symptoms, due to the positive situation of each individual's immune defense. These numbers, related to positively infected people, are not even recorded as "confirmed cases", even because they are not even "confirmed".
Moreover, accounting for the number of "confirmed cases" becomes unrealistic, due to the great difference between countries that do mass testing and countries that do few tests on the population.
(To be continued)