But you can be rest assured that many labs across the world will be working to replicate this finding.
https://www.npr.org/sections/thetwo-way/2016/09/13/493739074...
This article from 2018 said they were upping checks and penalties for academic fraud: https://www.reuters.com/article/us-china-science-idUSKCN1IW0...
This article says that a researcher was punished. The investigation found no plagiarism but did find ethics violations, so even ethic boards are a thing in Chinese academia nowadays. https://www.sixthtone.com/news/1006745/top-chinese-scientist...
It is a lot more like a massive bonus than a salary. More than enough to have someone unscrupulous start lying, especially if they think their research is marginal quality.
"Time to assume that health research is fraudulent until proven otherwise?"
Nobody claims that this publication doesn't need to be verified; of course it does. The problem is claiming that it needs to be verified because it came from China, which is what's been done above.