It has nothing to do with PCR tests. The Economist based their estimate on a ML analysis based on excess mortality estimates. [0] https://github.com/TheEconom

It has nothing to do with PCR tests. The Economist based their estimate on a ML analysis based on excess mortality estimates. [0] https://github.com/TheEconomist/covid-19-the-economist-global-excess-deaths-model https://github.com/TheEconomist/covid-19-the-economist-globa... [1] https://ourworldindata.org/excess-mortality-covid https://ourworldindata.org/excess-mortality-covid