My brother found out in April of 2007 that he was infected with HIV. I'm so scared for him. My question, is there a way to find out who started the chain of infection? What are the viral load ranges? What does cd4 mean? what does it mean to zero convert? Are there new advances in medical technology or trails to destroy this disease? If so how can one apply to the trails.. Will the pills he is required take damage his kidneys or liver? one more question, if the person who infected my brother knew she had this and did not tell, would this be consider lawful?

Unless he knows for sure, it is unlikely that it could be determined how he got infected. The viral load can range from < 50 (undetectable) to over 1 million. The CD4 cell is the primary cell infected by HIV and is critical to having a good immune system. A normal CD4 count ranges from 500-1500 in uninfected people. Seroconversion is when someone who is HIV infected develops antibodies against the virus that can be detected by standard HIV testing. There are no cures and so this is a chronic viral infection. You don't indicate what his viral load and CD4 count are, so it is difficult to say whether HIV treatment is indicated at this time or not. Yes, some meds can be damaging to certain organs, but not in all people, and usually in people who already have underlying problems in those organs. I don't comment on legal aspects of HIV infection.