The science on lockdowns is "no clear benefit", this according to a peer reviewed study published in the European Journal of Clinical Investigation on January 5, 2021.
The study compared cases in England, France, Germany, Iran, Italy, Netherlands, Spain and the U.S. – all countries that implemented mandatory lockdown orders and business closures – to South Korea and Sweden, which instituted less severe, voluntary responses. The researchers used a mathematical model to compare countries that did and did not enact more restrictive lockdown orders, and determined that there was "no clear, significant beneficial effect of [more restrictive measures] on case growth in any country."