i saw something a few weeks ago about some company in china that recently patented a potential cure for diabetes that removed the need for insulin so it might be referring to that. i'll try and find an article about it
idk about hte claim that people are trying to fight it (though tbh as soon as it looks like it might be viable on a large scale they probably will tbh)
I saw that too, but can't locate it. At the same time this came to light, the US started heavily restricting Chinese influence. So I'm not sure there's direct evidence of the pharmaceutical companies lobbying against it, but moreso just a lot of circumstantial evidence. I'll try to find this as well.
The lung cancer reference is about the vaccine that is available in Cuba, but not the US.