A good summary with links is here: https://www.the-scientist.com/features/counting-the-lives-sa...
“Researchers at Johns Hopkins University have concluded that lockdowns have done little to reduce COVID deaths but have had “devastating effects” on economies and numerous social ills.”
https://sites.krieger.jhu.edu/iae/files/2022/01/A-Literature...
Exactly as we would expect to find in the output of ideologically-driven academics working far outside of their own fields.
Few things are more seductive than the knowledge that your cause is just. And that you, and your tribe, just have to be right.