The scare projections that significantly influenced the lockdown decision in the spring were also based on misconceptions about the lethality of the virus (known as infection fatality rate = IFR) and about an existing or lack of basic immunity to the virus in the population. | The scare projections that significantly influenced the lockdown decision in the spring were also based on misconceptions about the lethality of the virus (known as infection fatality rate = IFR) and about an existing or lack of basic immunity to the virus in the population. |