The content originally appeared on: CNN (CNN)The Covid-19 pandemic may have been three times deadlier than the reported death toll suggests. Globally, official reports through the end of 2021 show that 6 million people have died directly because of Covid-19. But researchers estimate in a new study that from the start of 2020 through the end of 2021, there have been at least 18 million more deaths than researchers would typically expect over the course of two years. Some of […]