There are some but research into viral origins or other competing ideas seem to be marginalized and underfunded, I don‘t have first hand insights into it but r

There are some but research into viral origins or other competing ideas seem to be marginalized and underfunded, I don‘t have first hand insights into it but read about it here https://www.statnews.com/2019/06/25/alzheimers-cabal-thwarted-progress-toward-cure/ https://www.statnews.com/2019/06/25/alzheimers-cabal-thwarte... and elsewhere.