It's impressive how well they can find lack of evidence when they look hard for it. The fact that there is a strong correlation is undeniable. Here are 3 links

It's impressive how well they can find lack of evidence when they look hard for it. The fact that there is a strong correlation is undeniable. Here are 3 links with charts that show the connection strongly. https://www.kff.org/policy-watch/covid-19-deaths-among-older-adults-during-the-delta-surge-were-higher-in-states-with-lower-vaccination-rates/ https://www.kff.org/policy-watch/covid-19-deaths-among-older... https://insights.som.yale.edu/insights/soaring-covid-rates-in-the-south-show-why-we-need-vaccine-mandates https://insights.som.yale.edu/insights/soaring-covid-rates-i... And, one of the most striking to me, vaccination vs cases of counties in California: https://www.nytimes.com/2021/09/15/briefing/gavin-newsom-recall-covid-referendum.html https://www.nytimes.com/2021/09/15/briefing/gavin-newsom-rec... That said, epidemiology is complex, and an attempt to reduce it to one factor is not valid. ETA: Carl Bergstrom weighs on with additional insight into why this paper is bullshit: https://twitter.com/CT_Bergstrom/status/1444732537792708608 https://twitter.com/CT_Bergstrom/status/1444732537792708608