My daughter just sent me a really interesting writeup. It says intubation may be the wrong treatment while providing additional whole blood is better, and it explains why the Chloroquine works. Interesting reading. I noticed that someone (they who must not be named?) must have gotten to the article and deleted it, because this link goes to the 'wayback machine' web page archive.
http://web.archive.org/web/20200405061401/https://medium.com/@agaiziunas/covid-19-had-us-all-fooled-but-now-we-might-have-finally-found-its-secret-91182386efcb