Should we continue covid-19 suppression measures based on a transmission model that ignored pre-existing human immunity?

Doshi discusses the studies that have shown pre-existing immunity to SARS-CoV-2.[3] Most governments have based their decisions in the covid-19 pandemic on the advice of a limited group of experts, mainly a few virologists and disease modellers. Using earlier transmission models, these experts calculated that an uncontrolled SARS-CoV-2 epidemic would infect about 81% of the UK and the US populations. Assuming an infection fatality rate of 0.9%, they predicted 510 000 (UK) and 2.2 million (US) deaths, …