Assalaam alaikum,
Once again as he is in the US and he knew and did not alert his wife he is in legal trouble. This is not a joking matter. As for telling others there is no need. But, any partner he has he must tell. I am not sure of the legal procedure but once the medical community discovers how she contracted AIDS will pass the information to the legal community. This is a link to start:http://aids.gov/hiv-aids-basics/just-diagnosed-with-hiv-aids/your-legal-rights/legal-disclosure/
Once again as he is in the US and he knew and did not alert his wife he is in legal trouble. This is not a joking matter. As for telling others there is no need. But, any partner he has he must tell. I am not sure of the legal procedure but once the medical community discovers how she contracted AIDS will pass the information to the legal community. This is a link to start:http://aids.gov/hiv-aids-basics/just-diagnosed-with-hiv-aids/your-legal-rights/legal-disclosure/