I found this article interesting - https://www.cnn.com/2018/11/30/health/gene-edited-babies-he-jiankui-intl/index.html The actual process, HIV resistance, is minor. The meta is that germ line research is being done. This is one of many, many, experiments being done in secret around the world. Major centers are US, China, and certain Jewish groups. There are many others. The advantage of Chinese and Jewish research is that they are not encumbered by political correctness. In the US no genetic research can be funded that supports a concept of differences in intelligence. This is not so in China or within Jewish research.